CVE-2021-21621

MEDIUM
5.3
CVSS Score
Published: February 24, 2021 at 03:05 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorSupport Core

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)" information, which can include the session ID of the user creating the support bundle in some configurations.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v ≤ 2.72
Vendor states this is fixed in 2.68.1 (unaffected)
Vendor states this is fixed in 2.70.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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