CVE-2024-13176: Issue summary · A timing side-channel which could potentially allow recovering the private key exists
Source GCVE Database
Not known to be exploited · CVSS 4.1 Medium.
Data as of 30 Oct 2026, 01:01 UTC
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
AI-suggested
Given the low severity and exploitation difficulty, immediate remediation may not be required. Users should monitor vendor advisories for any updates or patches addressing this timing side-channel. If possible, restricting local access and minimizing low-latency network exposure can reduce risk.
Description
CVE-2024-13176 is a timing side-channel vulnerability in the ECDSA signature computation affecting certain elliptic curves, notably NIST P-521. The vulnerability could allow an attacker with local access or a very low-latency network connection to measure timing differences and potentially recover the private key. The timing signal is approximately 300 nanoseconds when the top word of the inverted ECDSA nonce is zero. Due to the difficulty of exploiting this timing leak, the severity is considered low to medium.
References
- nvd.nist.gov/vuln/detail/CVE-2024-13176 (opens in a new tab)
- github.com/openssl/openssl/commit/07272b05b04836a762b4baa874958af51d513844 (opens in a new tab)
- github.com/openssl/openssl/commit/2af62e74fb59bc469506bc37eb2990ea408d9467 (opens in a new tab)
- github.com/openssl/openssl/commit/392dcb336405a0c94486aa6655057f59fd3a0902 (opens in a new tab)
- github.com/openssl/openssl/commit/4b1cb94a734a7d4ec363ac0a215a25c181e11f65 (opens in a new tab)
- github.com/openssl/openssl/commit/77c608f4c8857e63e98e66444e2e761c9627916f (opens in a new tab)
- github.openssl.org/openssl/extended-releases/commit/0d5fd1ab987f7571e2c955d8d8b638fc0fb54ded (opens in a new tab)
- github.openssl.org/openssl/extended-releases/commit/a2639000db19878d5d89586ae7b725080592ae86 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/05/msg00028.html (opens in a new tab)
- openssl-library.org/news/secadv/20250120.txt (opens in a new tab)
- security.netapp.com/advisory/ntap-20250124-0005 (opens in a new tab)
- security.netapp.com/advisory/ntap-20250418-0010 (opens in a new tab)
- security.netapp.com/advisory/ntap-20250502-0006 (opens in a new tab)
- openwall.com/lists/oss-security/2025/01/20/2 (opens in a new tab)