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TI-2024-02682 Aliases CVE-2024-2873GHSA-6w42-c4vx-prcr

User authentication bypass in wolfSSH server

Priority MEDIUM 48CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00623 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wolfSSLwolfSSHup to v1.4.16—No fix listedCNA
  • wolfSSH VendorwolfSSL Affected up to v1.4.16 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wolfssh:wolfssh:*:*:*:*:*:*:*:*before 1.4.17VulnerablewolfSSH
  • cpe:2.3:a:wolfssh:wolfssh:*:*:*:*:*:*:*:* Versions before 1.4.17 Vulnerable ·wolfSSH

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-2873
  2. 2026-10-03 Alias added: GHSA-6w42-c4vx-prcr
  3. 2026-11-04 EPSS moved to the 50th–90th percentile

References

Patch 2

Advisory 1

  • TI-2024-00830 SEGV and out of bounds memory read from malicious packet CVSS 3.1CRITICAL 9.1
  • TI-2009-04246 Multiple stack-based buffer overflows in the CertDecoder::GetName function in src/asn.cpp… CVSS 2.0HIGH 7.5
  • TI-2022-18557 In wolfSSL before 5.5.1, malicious clients can cause a buffer overflow during a TLS 1.3… CVSS 3.1HIGH 7.5
  • TI-2025-10943 Potential DoS Vulnerability through Multiple KeyShareEntry with Same Group in TLS 1.3 ClientHello CVSS 4.0MEDIUM 6.3
  • TI-2017-09737 wolfSSL Bleichenbacher/ROBOT CVSS 3.0HIGH 7.5
  • TI-2019-08902 wolfSSL 4.0.0 has a Buffer Overflow in DoPreSharedKeys in tls13.c when a current identity… CVSS 3.1CRITICAL 9.8
See all 176 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences