CVE-2023-27560
HighDDoS
Published: 03 March 2023
Published
03 March 2023
Modified
06 March 2025
KEV Added
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Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0027
50.7th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-27560 is a high-severity Infinite Loop (CWE-835) vulnerability in Phpseclib Phpseclib. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 49.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-1036
Vulnerability details
Math/PrimeField.php in phpseclib 3.x before 3.0.19 has an infinite loop with composite primefields.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
phpseclib
phpseclib
3.0.0 — 3.0.19
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.