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Inbound TCP Agent Protocol/3 authentication bypass in Jenkins

  • Ujawniono: 24.05.2022
  • Aktualizacja: 11.10.2026 11:22

Jenkins 2.213 and earlier, LTS 2.204.1 and earlier includes support for the Inbound TCP Agent Protocol/3 for communication between controller and agents. While this protocol has been deprecated in 2018 and was recently removed from Jenkins in 2.214, it could still easily be enabled in Jenkins LTS 2.204.1, 2.213, and older.

This protocol incorrectly reuses encryption parameters which allow an unauthenticated remote attacker to determine the connection secret. This secret can then be used to connect attacker-controlled Jenkins agents to the Jenkins controller.

Jenkins 2.204.2 no longer allows for the use of Inbound TCP Agent Protocol/3 by default. The system property jenkins.slaves.JnlpSlaveAgentProtocol3.ALLOW_UNSAFE can be set to true to allow enabling the Inbound TCP Agent Protocol/3 in Jenkins 2.204.2, but doing so is strongly discouraged.

Inbound TCP Agent Protocol/3 was removed completely from Jenkins 2.214 and will not be part of Jenkins LTS after the end of the 2.204.x line.

Czego dotyczy

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PlatformaPaczkaPodatne wersjePoprawka w wersji
Java / Kotlin (Maven) org.jenkins-ci.main:jenkins-core < 2.204.2, >= 2.205, < 2.214 2.204.2, 2.214

Odnośniki

Ocena CVSS 8.6/10
Wektor CVSS
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Słabość (CWE)
CWE-323, CWE-330
Platforma
Java / Kotlin (Maven)
Paczka
org.jenkins-ci.main:jenkins-core
Ujawniono
24.05.2022
Aktualizacja
11.10.2026 11:22

Źródła i licencje

OSV / GitHub Advisory Database - GHSA-qp4f-2w67-c8hw - CC BY 4.0

Historia podatności: org.jenkins-ci.main:jenkins-core

Wszystkie opisane podatności tej paczki (Java / Kotlin (Maven)), od najnowszej. Widać, czy to jednorazowa wpadka, czy paczka, której trzeba pilnować.

Wszystkie (259) w archiwum
Wszystkich wpisów
259
Pierwsza → ostatnia
01.2022 06.2026
Bez poprawki
1
Wykorzystywana w atakach
4

Rozkład istotności

  • Krytyczna 19
  • Wysoka 62
  • Średnia 158
  • Niska 20

Ujawnienia w latach

Istotność:
  1. Jenkins arbitrary type deserialization from attacker-controlled config.xml allows remote code execution and user impersonation
    Wysoka · 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
    Wysoka · 8.0 CVE-2026-53441 >= 2.483, < 2.568 2.568
  3. Jenkins has a link following vulnerability allows arbitrary file creation
    Wysoka · 8.8 CVE-2026-33001 < 2.555 2.555
  4. Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation
    Wysoka · 7.5 CVE-2026-33002 >= 2.442, < 2.555 2.555
  5. Jenkins has a stored XSS vulnerability in node offline cause description
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Krytyczna · 9.8 Wykorzystywana w atakach 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 8.0 CVE-2023-35141 < 2.400 2.400
  14. Cross-site Scripting vulnerability in Jenkins
    Wysoka · 8.8 CVE-2023-27898 >= 2.376, < 2.394, < 2.375.4 2.394, 2.375.4
  15. Incorrect Authorization in Jenkins Core
    Wysoka · 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
    Wysoka · 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
    Wysoka · 8.0 CVE-2022-41224 >= 2.367, < 2.370 2.370
  18. Cross-site Scripting vulnerability in Jenkins
    Wysoka · 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
    Wysoka · 7.5 CVE-2022-34175 >= 2.335, < 2.356 2.356
  20. Cross-site Scripting vulnerability in Jenkins
    Wysoka · 8.0 CVE-2022-34173 >= 2.340, < 2.356 2.356
  21. Cross-site Scripting vulnerability in Jenkins
    Wysoka · 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
    Wysoka · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Krytyczna · 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
    Wysoka · 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
    Krytyczna · 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
    Krytyczna · 9.0 CVE-2021-21695 < 2.303.3, >= 2.304, < 2.319 2.303.3, 2.319
  36. Session fixation vulnerability in Jenkins
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 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
    Wysoka · 8.0 CVE-2020-2223 < 2.235.2, >= 2.236, < 2.245 2.235.2, 2.245
  45. Cross-Site Request Forgery in Jenkins
    Wysoka · 8.8 CVE-2020-2160 < 2.204.6, >= 2.205, < 2.228 2.204.6, 2.228
  46. Inbound TCP Agent Protocol/3 authentication bypass in Jenkins ten wpis
    Wysoka · 8.6 CVE-2020-2099 < 2.204.2, >= 2.205, < 2.214 2.204.2, 2.214
  47. XML external entity (XXE) vulnerability in Jenkins
    Wysoka · 7.5 CVE-2015-1811 >= 1.597, < 1.600, < 1.596.1 1.600, 1.596.1
  48. XML external entity (XXE) vulnerability in Jenkins
    Wysoka · 7.5 CVE-2015-1809 >= 1.597, < 1.600, < 1.596.1 1.600, 1.596.1
  49. Cross-Site Request Forgery in Jenkins
    Wysoka · 8.8 CVE-2019-10384 < 2.176.3, >= 2.177, < 2.192 2.176.3, 2.192
  50. Cross-Site Request Forgery in Jenkins
    Wysoka · 7.5 CVE-2019-10353 < 2.176.2, >= 2.177, < 2.186 2.176.2, 2.186
  51. Exposure of Sensitive Information to an Unauthorized Actor in Jenkins
    Krytyczna · 9.8 CVE-2017-1000362 >= 1.498, < 2.32.2, >= 2.40, < 2.44 2.32.2, 2.44
  52. Jenkins allows Execution of Code by Opening a JRMP Listener
    Krytyczna · 9.8 CVE-2016-0788 >= 1.643, < 1.650, < 1.642.2 1.650, 1.642.2
  53. Jenkins allows Deserialization of Untrusted Data via an XML File
    Wysoka · 8.8 CVE-2016-0792 >= 1.643, < 1.650, < 1.642.2 1.650, 1.642.2
  54. Exposure of Sensitive Information in Jenkins Core
    Krytyczna · 9.8 CVE-2016-0791 < 1.650 1.650
  55. Jenkins affected by Open Redirect Vulnerability
    Wysoka · 7.4 CVE-2016-3726 >= 1.652, < 2.3, < 1.651.2 2.3, 1.651.2
  56. Race Condition in Jenkins
    Wysoka · 8.1 CVE-2017-1000503 >= 2.81, < 2.89.2, >= 2.90, < 2.95 2.89.2, 2.95
  57. Cross-Site Request Forgery in Jenkins
    Wysoka · 8.8 CVE-2017-1000356 >= 2.50, < 2.57, < 2.46.2 2.57, 2.46.2
  58. Improper Authentication in Jenkins
    Wysoka · 8.8 CVE-2017-1000354 >= 2.50, < 2.57, < 2.46.2 2.57, 2.46.2
  59. Cross-Site Request Forgery in Jenkins
    Wysoka · 8.1 CVE-2017-1000504 >= 2.81, < 2.89.2, >= 2.90, < 2.95 2.89.2, 2.95
  60. Exposure of Sensitive Information to an Unauthorized Actor in Jenkins
    Wysoka · 7.8 CVE-2018-1000410 < 2.138.2, >= 2.140, < 2.146 2.138.2, 2.146
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