CVE-2021-21621

published 2021-02-24

CVE-2021-21621: Jenkins Support Core Plugin 2.72 and earlier provides the serialized user authentication as part of the "About user (basic authentication details only)"…

Priority P4 28 medium 5.3 CVSS 3.1

AV N AC L PR N UI N S U C L I N A N

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

9 ranges

Vendor	Product	Version range	Fixed in
jenkins	active_choices_plugin	—	—
jenkins	artifact_repository_parameter_plugin	—	—
jenkins	claim_plugin	—	—
jenkins	configuration_slicing_plugin	—	—
jenkins	ids_in_support_core_plugin	—	—
jenkins	repository_connector_plugin	—	—
jenkins	support_core	<= 2.72	—
jenkins	support_core_plugin	—	—
jenkins_project	jenkins_support_core_plugin	unspecified – 2.72	—

CVSS provenance

nvd v3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-200