CVE-2025-64100 - CVE House
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Status published Medium CVE-2025-64100

CKAN Vulnerable to Session Cookie Fixation

Vulnerability Description

CKAN is an open-source DMS (data management system) for powering data hubs and data portals. Prior to 2.10.9 and 2.11.4, session ids could be fixed by an attacker if the site is configured with server-side session storage (CKAN uses cookie-based session storage by default). The attacker would need to either set a cookie on the victim's browser or steal the victim's currently valid session. Session identifiers are now regenerated after each login. This vulnerability has been fixed in CKAN 2.10.9 and 2.11.4

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

ckan
Vulnerable Versions:
< 2.10.9, >= 2.11.0, < 2.11.4

Timeline

Official Publish: October 29th, 2025
Last Modified: October 29th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N

Weaknesses (CWE)

CWE-384

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1078 Valid Accounts
Persistence
T1539 Steal Web Session Cookie
Credential Access