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CVE-2025-27591

Published: Mar 11, 2025Updated: Jul 3, 2025 Sources: CVE List NVD GHSA BDUCWE-732
6.8MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 72.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:NS:UC:LI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-732

Affected Products

belowfacebookCommunications
belowcrates.ioOSS Libraries
BelowMeta Platforms Inc
Library
OSS Libraries / web-framework
belowMeta Platforms, Inc
Mixed
AI / ML / llm-serving-inference
facebookcommercialUSCommunicationsaka meta, facebook inc.
crates.iopackage-ecosystemOSS Libraries
meta platforms inccommercialUSOSS Librariesaka facebook, react-server-dom-parcel, hermes js, zstandard
meta platforms, inccommercialUSAI / MLaka meta, executorch, llama stack, below

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
github.com
https://www.facebook.com/security/advisories/cve-2025-27591
facebook.com
http://www.openwall.com/lists/oss-security/2025/03/12/1
openwall.com
and 8 more references View all →

Timeline

Published
Mar 11, 2025
Last Updated
Jul 3, 2025

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