CVE-2021-25985: In Factor (App Framework & Headless CMS) v1.0.4 to v1.8.30, improperly invalidate a user’s session even after

Q: How do I fix CVE-2021-25985?

factor: upgrade to newer than 1.8.30. Exact commands for each OS are on this page.

Q: Is CVE-2021-25985 being exploited?

CVE-2021-25985 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-25985 affect?

CVE-2021-25985 affects factor. Severity is high (CVSS 7.8). 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

This month

HIGH 7.8UPGRADE

CVE-2021-25985 is a high-severity flaw (CVSS 7.8) affecting factor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-613
Published	2021-11-16
Last modified	2026-06-17

Publisher (CNA): Mend · Vendor: darwin

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-11-16 10:15 UTCPublished CVE record published
2026-06-17 03:42 UTCUpdated Record last modified

darwin factor UPGRADE

Affected: >= 1.0.4 and <= 1.8.30

Fixed in: newer than 1.8.30

Safe to downgrade to: a release before 1.0.4

1. Check installed version

npm ls factor

2. UPGRADE to newer than 1.8.30

npm install factor@">1.8.30"

3. If no update is available yet, DOWNGRADE to a release before 1.0.4

npm view factor versions npm install factor@"<1.0.4"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-25985?

factor: upgrade to newer than 1.8.30. Exact commands for each OS are on this page.

Is CVE-2021-25985 being exploited?

CVE-2021-25985 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-25985 affect?

CVE-2021-25985 affects factor. Severity is high (CVSS 7.8). 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

How urgent is CVE-2021-25985?

Priority 41/100. High severity

Related CVEs

CVE-2021-25984 MEDIUM 6.1 UPGRADE In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.3 to v1.8.30, are vulnerable to stored Cr
CVE-2021-25983 MEDIUM 6.1 UPGRADE In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.8 to v1.8.30, are vulnerable to reflected
CVE-2021-25982 MEDIUM 6.1 UPGRADE In Factor (App Framework & Headless CMS) forum plugin, versions 1.3.5 to 1.8.30, are vulnerable to reflected C

References

← Back to latest CVEs