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Public proof of conceptFix available

CVE-2021-30141

A public proof of concept exists; no exploitation attested.

  • Published2021-04-05
  • WeaknessCWE-401

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-04-0523:15CVE publishedNVD

Versions per branch

NVD
Friendica
BranchAffectedFixed in
2021.1≤ 2021.01no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2021-04-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cqj2-h3vq-982w

Frequently asked questions

What is CVE-2021-30141?

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.

Is CVE-2021-30141 actively exploited?

A proof-of-concept exploit exists for CVE-2021-30141, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2021-30141?

CVE-2021-30141 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record