CVE-2023-27539
Medium
Published: 09 January 2025
Published
09 January 2025
Modified
10 October 2025
KEV Added
—
Patch
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CVSS Score v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.0036
58.9th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-27539 is a medium-severity an unspecified weakness vulnerability in Rack Rack. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 41.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-0979
Vulnerability details
There is a denial of service vulnerability in the header parsing component of Rack.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
rack
rack
2.0.0 — 2.2.6.4 · 3.0.0 — 3.0.6.1
debian
debian linux
10.0, 11.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.