CVE-2021-30141

Name: CVE-2021-30141
Creator: NVD / NIST
Published: 2021-04-05T23:15:12.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.52%

Last modified Jun 17, 2026

CVE-2021-30141 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Module/Settings/UserExport.php in Friendica through 2021.01 allows settings/userexport to be used by anonymous users, as demonstrated by an attempted access to an array offset on a value of type null, and excessive memory consumption. NOTE: the vendor states "the feature still requires a valid authentication cookie even if the route is accessible to non-logged users.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

Description

Module/Settings/UserExport.php in Friendica through 2021.01 allows settings/userexport to be used by anonymous users, as demonstrated by an attempted access to an array offset on a value of type null, and excessive memory consumption. NOTE: the vendor states "the feature still requires a valid authentication cookie even if the route is accessible to non-logged users.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.52%

71.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Friendica	Friendica	<= 2021.01

References

https://github.com/friendica/friendica/issues/10110Exploit, Third Party Advisory
https://github.com/friendica/friendica/pull/10113/commits/acbcc56754121ba080eac5b6fdf69e64ed7fe453Patch, Third Party Advisory
https://github.com/friendica/friendica/issues/10110Exploit, Third Party Advisory
https://github.com/friendica/friendica/pull/10113/commits/acbcc56754121ba080eac5b6fdf69e64ed7fe453Patch, Third Party Advisory

Timeline

Published: Apr 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30141?

How severe is CVE-2021-30141?

CVE-2021-30141 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30141?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30141?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST