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nvd[email protected]NVD:CVE-2021-21687
HistoryNov 04, 2021 - 5:15 p.m.

CVE-2021-21687

2021-11-0417:15:08
CWE-862
web.nvd.nist.gov
8
jenkins
unarchive
symbolic link
vulnerability

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

58.1%

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePath#untar.

Affected configurations

Nvd
Node
jenkinsjenkinsRange<2.303.3lts
OR
jenkinsjenkinsRange<2.319-
VendorProductVersionCPE
jenkinsjenkins*cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
jenkinsjenkins*cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.002

Percentile

58.1%