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Fencer Vulns
critical 9.8

CVE-2024-27730 json

Insecure Permissions vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive information and execute arbitrary co…

published 2024-08-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24924

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Insecure Permissions vulnerability in Friendica v.2023.12 allows a remote attacker to obtain sensitive information and execute arbitrary code via the cid parameter of the calendar event feature.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • leo.oliver.nz https://leo.oliver.nz/posts/2024/05/friendica-cve-disclosures/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • friendica friendica

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.