CVE-2024-2881

Fault Injection of EdDSA signature in WolfCrypt

6.7 MediumFix available

Fault Injection vulnerability in wc_ed25519_sign_msg function in wolfssl/wolfcrypt/src/ed25519.c in WolfSSL wolfssl5.6.6 on Linux/Windows allows remote attacker co-resides in the same system with a victim process to disclose information and escalate privileges via Rowhammer fault injection to the ed25519_key structure.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: Low

Exploit likelihood

0.46%Up 0.4 points since Aug 30, 2024

What each source reports

CVE List Score used 6.7

Fault Injection of EdDSA signature in WolfCrypt

Record: CVE-2024-2881
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-1256, CWE-252
Updated: 2026-11-02

EUVDEUVD-2024-27825 6.7

Record: EUVD-2024-27825
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p7fr-35j6-p64g 6.7

Fault Injection vulnerability in wc_ed25519_sign_msg function in wolfssl/wolfcrypt/src/ed25519.c...

Record: GHSA-p7fr-35j6-p64g
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-74, CWE-1256
Updated: 2026-11-02

NVD 6.7

Record: CVE-2024-2881
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-252, CWE-1256, CWE-74
Updated: 2026-11-02

OSV 6.7

Fault Injection of EdDSA signature in WolfCrypt

Record: CVE-2024-2881
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
Weakness: CWE-1256, CWE-252
Updated: 2026-11-02

OSVDEBIAN-CVE-2024-2881 8.8

Record: DEBIAN-CVE-2024-2881
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-2881 6.7

Record: UBUNTU-CVE-2024-2881
CVSS 3.1: 6.7 MediumCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wolfssl` Debian:12	All versions, plus listed versions 5.5.4-25.5.4-2+deb12u15.5.4-2+deb12u25.5.4-2+deb12u35.5.4-2.1 Show 24 moreShow less 5.6.4-15.6.4-25.6.6-15.6.6-1.15.6.6-1.25.6.6-1.35.6.6-1.3~exp15.7.0-0.15.7.0-0.25.7.0-0.35.7.2-0.15.7.2-0.25.7.2-0.35.7.2-0.45.8.2-15.8.2-1.15.8.2-1.25.8.4-15.9.0-0.15.9.0-0.25.9.1-0.15.9.2-15.9.2-1.15.9.2-1.2	None known
`wolfssl` Debian:13	before 5.7.0-0.3	5.7.0-0.3
`wolfssl` Ubuntu:16.04:LTS	All versions, plus listed versions 3.4.8+dfsg-1	None known
`wolfssl` Ubuntu:18.04:LTS	All versions, plus listed versions 3.10.2+dfsg-23.12.0+dfsg-13.12.2+dfsg-13.13.0+dfsg-1	None known
`wolfssl` Ubuntu:20.04:LTS	All versions, plus listed versions 4.1.0+dfsg-24.2.0+dfsg-14.2.0+dfsg-24.2.0+dfsg-34.3.0+dfsg-2	None known
`wolfssl` Ubuntu:22.04:LTS	All versions, plus listed versions 4.6.0-35.0.0-15.1.1-15.2.0-15.2.0-2	None known
`wolfssl` Ubuntu:24.04:LTS	All versions, plus listed versions 5.5.4-25.5.4-2.15.6.4-25.6.6-1.25.6.6-1.35.6.6-1.3build1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-2881 is a medium vulnerability (CVSS 6.7) in Wolfssl Wolfcrypt, published August 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in wolfssl 5.7.0-0.3.