CVE-2021-25985 - CVE House
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Status published High CVE-2021-25985

FactorJS - Insufficient Session Expiration Leads to a Local Account Takeover

Vulnerability Description

In Factor (App Framework & Headless CMS) v1.0.4 to v1.8.30, improperly invalidate a user’s session even after the user logs out of the application. In addition, user sessions are stored in the browser’s local storage, which by default does not have an expiration time. This makes it possible for an attacker to steal and reuse the cookies using techniques such as XSS attacks, followed by a local account takeover.

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

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • WhiteSource Vulnerability Research Team (WVR)

References

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Affected Vendor

Affected Software

Factor
Vulnerable Versions:
1.0.4, unspecified

Timeline

Official Publish: November 16th, 2021
Last Modified: April 30th, 2025
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-613

MITRE ATT&CK TTPs

T1539 Steal Web Session Cookie
Credential Access
T1078 Valid Accounts
Persistence
T1550 Use Alternate Authentication Material
Defense Evasion
T1021 Remote Services
Lateral Movement
T1562 Impair Defenses
Defense Evasion