CVE-2025-27591

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Source
https://cve.org/CVERecord?id=CVE-2025-27591
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27591.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-27591
Aliases
Downstream
Related
Published
2025-03-11T18:29:21.569Z
Modified
2026-08-12T03:51:33.312768728Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27591.json",
    "cna_assigner": "facebook"
}
References

Affected packages

Git / github.com/facebookincubator/below

Affected ranges

Type
GIT
Repo
https://github.com/facebookincubator/below
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
da9382e6e3e332fd2c3195e22f34977f83f0f1f3
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:facebook:below:*:*:*:*:*:rust:*:*",
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0.0.0"
        },
        {
            "fixed": "0.9.0"
        },
        {
            "introduced": "0"
        }
    ]
}

Affected versions

v0.*
v0.2.0
v0.3.0
v0.4.0
v0.4.1
v0.5.0
v0.6.0
v0.6.1
v0.6.2
v0.6.3
v0.7.0
v0.7.1
v0.8.0
v0.8.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27591.json"