Cyber Resilience

CVE-2021-33393

HighPublic PoC

Published: 09 June 2021

Published
09 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.7218 98.8th percentile
Risk Priority 61 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-33393 is a high-severity an unspecified weakness vulnerability in Ipfire Ipfire. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 1.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

This vulnerability is AI-related — categorised as Other AI Platforms.

EU & UK References

Vulnerability details

lfs/backup in IPFire 2.25-core155 does not ensure that /var/ipfire/backup/bin/backup.pl is owned by the root account. It might be owned by an unprivileged account, which could potentially be used to install a Trojan horse backup.pl script that is later executed by…

more

root. Similar problems with the ownership/permissions of other files may be present as well.

CWE(s)

AI Security AnalysisAI

AI Category
Other AI Platforms
Risk Domain
N/A
OWASP Top 10 for LLMs 2025
None mapped
Classification Reason
Matched keywords: trojan

Related Threats

Affected Assets

ipfire
ipfire
2.25 · ≤ 2.25

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References