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Jenkins vulnerable to UDP amplification reflection attack

  • Veröffentlicht: 24.05.2022
  • Aktualisiert: 11.10.2026 11:22

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier supports two network discovery services (UDP multicast/broadcast and DNS multicast) by default.

The UDP multicast/broadcast service can be used in an amplification reflection attack, as very few bytes sent to the respective endpoint result in much larger responses: A single byte request to this service would respond with more than 100 bytes of Jenkins metadata which could be used in a DDoS attack on a Jenkins controller. Within the same network, spoofed UDP packets could also be sent to make two Jenkins controllers go into an infinite loop of replies to one another, thus causing a denial of service.

Jenkins 2.219, LTS 2.204.2 now disables both UDP multicast/broadcast and DNS multicast by default.

Administrators that need these features can re-enable them again by setting the system property hudson.DNSMultiCast.disabled to false (for DNS multicast) or the system property hudson.udp to 33848, or another port (for UDP broadcast/multicast). These are the same system properties that controlled whether these features were enabled in the past, so any instances explicitly enabling these features by setting these system properties will continue to have them enabled.

Betroffene Software

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PlattformPaketAnfällige VersionenBehoben in
Java / Kotlin (Maven) org.jenkins-ci.main:jenkins-core < 2.204.2, >= 2.205, < 2.219 2.204.2, 2.219

Verweise

CVSS-Wert 5.8/10
CVSS-Vektor
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Schwäche (CWE)
CWE-406
Plattform
Java / Kotlin (Maven)
Paket
org.jenkins-ci.main:jenkins-core
Veröffentlicht
24.05.2022
Aktualisiert
11.10.2026 11:22

Quellen und Lizenzen

OSV / GitHub Advisory Database - GHSA-gpxv-776p-7gc7 - CC BY 4.0

Schwachstellenhistorie: org.jenkins-ci.main:jenkins-core

Alle veröffentlichten Schwachstellen dieses Pakets (Java / Kotlin (Maven)), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.

Alle (259) im Archiv
Einträge insgesamt
259
Erste → letzte
01.2022 06.2026
Ohne Fix
1
In Angriffen ausgenutzt
4

Verteilung nach Schweregrad

  • Kritisch 19
  • Hoch 62
  • Mittel 158
  • Niedrig 20

Veröffentlichungen pro Jahr

Schweregrad:
  1. Jenkins arbitrary type deserialization from attacker-controlled config.xml allows remote code execution and user impersonation
    Hoch · 8.8 CVE-2026-53435 < 2.555.3, >= 2.556, < 2.568 2.555.3, 2.568
  2. Jenkins: Stored XSS vulnerability in node offline cause description
    Hoch · 8.0 CVE-2026-53441 >= 2.483, < 2.568 2.568
  3. Jenkins has a link following vulnerability allows arbitrary file creation
    Hoch · 8.8 CVE-2026-33001 < 2.555 2.555
  4. Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation
    Hoch · 7.5 CVE-2026-33002 >= 2.442, < 2.555 2.555
  5. Jenkins has a stored XSS vulnerability in node offline cause description
    Hoch · 8.0 CVE-2026-27099 >= 2.542, < 2.551, >= 2.483, < 2.541.2 2.551, 2.541.2
  6. Jenkins has a Denial of service vulnerability in HTTP-based CLI
    Hoch · 7.5 CVE-2025-67635 >= 2.529, < 2.541, < 2.528.3 2.541, 2.528.3
  7. Jenkins Remoting library arbitrary file read vulnerability
    Hoch · 9.0 CVE-2024-43044 < 2.452.4, >= 2.460, < 2.462.1, >= 2.470, < 2.471 2.452.4, 2.462.1, 2.471
  8. Arbitrary file read vulnerability through the Jenkins CLI can lead to RCE
    Kritisch · 9.8 In Angriffen ausgenutzt CVE-2024-23897 >= 1.606, < 2.426.3, >= 2.427, < 2.440.1, >= 2.441, < 2.442 2.426.3, 2.440.1, 2.442
  9. Cross-site WebSocket hijacking vulnerability in the Jenkins CLI
    Hoch · 8.8 CVE-2024-23898 >= 2.217, < 2.426.3, >= 2.427, < 2.442, = 2.441 2.426.3, 2.442
  10. Jenkins temporary plugin file created with insecure permissions
    Hoch · 7.0 CVE-2023-43496 >= 2.50, < 2.414.2, >= 2.415, < 2.424 2.414.2, 2.424
  11. Jenkins Cross-site Scripting vulnerability
    Hoch · 8.0 CVE-2023-43495 >= 2.50, < 2.414.2, >= 2.415, < 2.424 2.414.2, 2.424
  12. Jenkins Stored Cross-site Scripting vulnerability
    Hoch · 8.0 CVE-2023-39151 >= 2.402, < 2.414.1, < 2.401.3, >= 2.415, < 2.416 2.414.1, 2.401.3, 2.416
  13. Jenkins CSRF protection bypass vulnerability
    Hoch · 8.0 CVE-2023-35141 < 2.400 2.400
  14. Cross-site Scripting vulnerability in Jenkins
    Hoch · 8.8 CVE-2023-27898 >= 2.376, < 2.394, < 2.375.4 2.394, 2.375.4
  15. Incorrect Authorization in Jenkins Core
    Hoch · 7.0 CVE-2023-27899 >= 2.376, < 2.387.1, < 2.375.4, >= 2.388, < 2.394 2.387.1, 2.375.4, 2.394
  16. Denial of service in Jenkins Core
    Hoch · 7.5 CVE-2023-27901 >= 2.388, < 2.394, < 2.375.4, >= 2.376, < 2.387.1 2.394, 2.375.4, 2.387.1
  17. Jenkins vulnerable to stored cross site scripting in the I:helpIcon component
    Hoch · 8.0 CVE-2022-41224 >= 2.367, < 2.370 2.370
  18. Cross-site Scripting vulnerability in Jenkins
    Hoch · 8.0 CVE-2022-34170 >= 2.350, < 2.356, >= 2.320, < 2.332.4, >= 2.346, < 2.346.1 2.356, 2.332.4, 2.346.1
  19. Unauthorized view fragment access in Jenkins
    Hoch · 7.5 CVE-2022-34175 >= 2.335, < 2.356 2.356
  20. Cross-site Scripting vulnerability in Jenkins
    Hoch · 8.0 CVE-2022-34173 >= 2.340, < 2.356 2.356
  21. Cross-site Scripting vulnerability in Jenkins
    Hoch · 8.0 CVE-2022-34172 >= 2.340, < 2.356, >= 2.332, < 2.332.4 2.356, 2.332.4
  22. Cross-site Scripting vulnerability in Jenkins
    Hoch · 8.0 CVE-2022-34171 >= 2.350, < 2.356, >= 2.346, < 2.346.1, < 2.332.4 2.356, 2.346.1, 2.332.4
  23. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21686 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  24. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21685 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  25. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21689 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  26. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21690 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  27. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21692 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  28. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21693 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  29. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21694 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  30. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21688 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  31. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21691 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  32. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21687 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  33. Agent-to-controller access control allowed writing to sensitive directory used by Jenkins Pipeline: Shared Groovy Libraries Plugin
    Hoch · 8.8 CVE-2021-21696 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  34. Agent-to-controller access control allows reading/writing most content of build directories in Jenkins
    Kritisch · 9.1 CVE-2021-21697 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  35. Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins
    Kritisch · 9.0 CVE-2021-21695 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  36. Session fixation vulnerability in Jenkins
    Hoch · 7.5 CVE-2021-21671 >= 2.292, < 2.300, < 2.289.2 2.300, 2.289.2
  37. Path traversal vulnerability in Jenkins agent names
    Hoch · 8.0 CVE-2021-21605 < 2.263.2, >= 2.264, < 2.275 2.263.2, 2.275
  38. Improper handling of REST API XML deserialization errors in Jenkins
    Hoch · 8.0 CVE-2021-21604 < 2.263.2, >= 2.264, < 2.275 2.263.2, 2.275
  39. Jenkins Cross-site Scripting vulnerability in project naming strategy
    Hoch · 8.0 CVE-2020-2230 < 2.235.4, >= 2.236, < 2.252 2.235.4, 2.252
  40. Jenkins Cross-Site Scripting vulnerability in help icons
    Hoch · 8.0 CVE-2020-2229 < 2.235.4, >= 2.236, < 2.252 2.235.4, 2.252
  41. Stored XSS vulnerability in Jenkins 'keep forever' badge icon
    Hoch · 8.0 CVE-2020-2222 < 2.235.2, >= 2.236, < 2.245 2.235.2, 2.245
  42. Stored XSS vulnerability in Jenkins upstream cause
    Hoch · 8.0 CVE-2020-2221 < 2.235.2, >= 2.236, < 2.245 2.235.2, 2.245
  43. Stored XSS vulnerability in Jenkins job build time trend
    Hoch · 8.0 CVE-2020-2220 < 2.235.2, >= 2.236, < 2.245 2.235.2, 2.245
  44. Stored XSS vulnerability in Jenkins console links
    Hoch · 8.0 CVE-2020-2223 < 2.235.2, >= 2.236, < 2.245 2.235.2, 2.245
  45. Cross-Site Request Forgery in Jenkins
    Hoch · 8.8 CVE-2020-2160 < 2.204.6, >= 2.205, < 2.228 2.204.6, 2.228
  46. Jenkins vulnerable to UDP amplification reflection attack dieser Eintrag
    Mittel · 5.8 CVE-2020-2100 < 2.204.2, >= 2.205, < 2.219 2.204.2, 2.219
  47. Inbound TCP Agent Protocol/3 authentication bypass in Jenkins
    Hoch · 8.6 CVE-2020-2099 < 2.204.2, >= 2.205, < 2.214 2.204.2, 2.214
  48. XML external entity (XXE) vulnerability in Jenkins
    Hoch · 7.5 CVE-2015-1811 >= 1.597, < 1.600, < 1.596.1 1.600, 1.596.1
  49. XML external entity (XXE) vulnerability in Jenkins
    Hoch · 7.5 CVE-2015-1809 >= 1.597, < 1.600, < 1.596.1 1.600, 1.596.1
  50. Cross-Site Request Forgery in Jenkins
    Hoch · 8.8 CVE-2019-10384 < 2.176.3, >= 2.177, < 2.192 2.176.3, 2.192
  51. Cross-Site Request Forgery in Jenkins
    Hoch · 7.5 CVE-2019-10353 < 2.176.2, >= 2.177, < 2.186 2.176.2, 2.186
  52. Exposure of Sensitive Information to an Unauthorized Actor in Jenkins
    Kritisch · 9.8 CVE-2017-1000362 >= 1.498, < 2.32.2, >= 2.40, < 2.44 2.32.2, 2.44
  53. Jenkins allows Execution of Code by Opening a JRMP Listener
    Kritisch · 9.8 CVE-2016-0788 >= 1.643, < 1.650, < 1.642.2 1.650, 1.642.2
  54. Jenkins allows Deserialization of Untrusted Data via an XML File
    Hoch · 8.8 CVE-2016-0792 >= 1.643, < 1.650, < 1.642.2 1.650, 1.642.2
  55. Exposure of Sensitive Information in Jenkins Core
    Kritisch · 9.8 CVE-2016-0791 < 1.650 1.650
  56. Jenkins affected by Open Redirect Vulnerability
    Hoch · 7.4 CVE-2016-3726 >= 1.652, < 2.3, < 1.651.2 2.3, 1.651.2
  57. Race Condition in Jenkins
    Hoch · 8.1 CVE-2017-1000503 >= 2.81, < 2.89.2, >= 2.90, < 2.95 2.89.2, 2.95
  58. Cross-Site Request Forgery in Jenkins
    Hoch · 8.8 CVE-2017-1000356 >= 2.50, < 2.57, < 2.46.2 2.57, 2.46.2
  59. Improper Authentication in Jenkins
    Hoch · 8.8 CVE-2017-1000354 >= 2.50, < 2.57, < 2.46.2 2.57, 2.46.2
  60. Cross-Site Request Forgery in Jenkins
    Hoch · 8.1 CVE-2017-1000504 >= 2.81, < 2.89.2, >= 2.90, < 2.95 2.89.2, 2.95
  61. Exposure of Sensitive Information to an Unauthorized Actor in Jenkins
    Hoch · 7.8 CVE-2018-1000410 < 2.138.2, >= 2.140, < 2.146 2.138.2, 2.146
  62. Improper Input Validation in Jenkins
    Hoch · 7.5 CVE-2017-1000394 < 2.73.2, >= 2.74, < 2.84 2.73.2, 2.84
  63. Improper Input Validation in Jenkins
    Hoch · 7.3 CVE-2017-1000391 < 2.73.3, >= 2.74, < 2.89 2.73.3, 2.89
  64. OS Command Injection in Jenkins
    Hoch · 8.8 CVE-2017-1000393 < 2.73.2, >= 2.74, < 2.84 2.73.2, 2.84
  65. Improper Neutralization of Special Elements used in an LDAP Query in Jenkins
    Kritisch · 9.8 CVE-2016-9299 >= 2.20, < 2.32, < 2.19.3 2.32, 2.19.3
  66. Missing Release of Resource after Effective Lifetime in Jenkins
    Hoch · 7.5 CVE-2018-1999043 < 2.121.3, >= 2.122, < 2.138 2.121.3, 2.138
  67. Improper Limitation of a Pathname to a Restricted Directory in Jenkins
    Hoch · 8.2 CVE-2018-1000863 < 2.138.4, >= 2.140, < 2.154 2.138.4, 2.154
  68. Deserialization of Untrusted Data in Jenkins
    Hoch · 8.8 CVE-2017-2608 < 2.32.2, >= 2.34, < 2.44 2.32.2, 2.44
  69. Jenkins does not Verify Checksums for Plugin Files
    Hoch · 7.5 CVE-2015-7539 < 1.625.2, >= 1.626, < 1.640 1.625.2, 1.640
  70. Jenkins Vulnerable to Cross-Site Request Forgery (CSRF) Attack
    Hoch · 8.8 CVE-2015-7537 >= 1.626, < 1.640, < 1.625.2 1.640, 1.625.2
  71. Jenkins discloses project names via fingerprints
    Hoch · 7.5 In Angriffen ausgenutzt CVE-2015-5317 < 1.625.2, >= 1.626, < 1.638 1.625.2, 1.638
  72. Jenkins Vulnerable to Cross-Site Request Forgery (CSRF) Attack
    Hoch · 8.8 CVE-2015-7538 >= 1.626, < 1.640, < 1.625.2 1.640, 1.625.2
  73. Improper Authorization in Jenkins Core
    Hoch · 7.2 CVE-2019-1003003 < 2.150.2, >= 2.151, < 2.159 2.150.2, 2.159
  74. Improper Authorization in Jenkins Core
    Hoch · 7.2 CVE-2019-1003004 < 2.159 2.159
  75. Deserialization of Untrusted Data in Jenkins
    Kritisch · 9.8 In Angriffen ausgenutzt CVE-2017-1000353 >= 2.50, < 2.57, < 2.46.2 2.57, 2.46.2
  76. Improper Input Validation in Jenkins
    Hoch · 7.5 CVE-2018-1999002 < 2.121.2, >= 2.122, < 2.132 2.121.2, 2.132
  77. Insufficient Session Expiration in Jenkins
    Hoch · 8.1 CVE-2019-1003049 < 2.164.2, >= 2.165, < 2.172 2.164.2, 2.172
  78. Path Traversal in Jenkins
    Hoch · 8.1 CVE-2018-1000194 < 2.107.3, >= 2.108, < 2.121 2.107.3, 2.121
  79. Deserialization of Untrusted Data in Jenkins
    Kritisch · 9.8 In Angriffen ausgenutzt CVE-2018-1000861 < 2.138.4, >= 2.140, < 2.154 2.138.4, 2.154
  80. Improper Input Validation in Jenkins
    Hoch · 8.8 CVE-2018-1999001 < 2.121.2, >= 2.122, < 2.132 2.121.2, 2.132
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