CVE-2021-21671

2021-09-2419:13:29

redhat.com

access.redhat.com

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

69.8%

JSON

Session fixation vulnerability was found in Jenkins. The existing session on login process are not invalidated and this allows an attacker to gain potentially additional access on Jenkins by using social engineering attack techniques on a target user.