In certain conditions, depending on timing and the usage of the Chrome web browser, Guardian/CMC versions before 22.6.2 do not always completely invalidate the user session upon logout. Thus an authenticated local attacker may gain acces to the original user's session.
Published: 2023-08-09
Updated: 2026-06-17
Base Score: 6
Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C
Severity: Medium
Base Score: 7
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
Base Score: 5.4
Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00039