Vulnerability · Published Jul 3, 2024 · Assigned by mitre
CVE-2024-39223
Critical 9.8
In plain English
A critical-severity authorization bypass via user-controlled key in the github.com/ginuerzh/gost package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 46.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An authentication bypass in the SSH service of gost v2.11.5 allows attackers to intercept communications via setting the HostKeyCallback function to ssh.InsecureIgnoreHostKey
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/ginuerzh/gost | no fix listed | GHSA-8wxx-35qc-vp6r |
| Go | github.com/ginuerzh/gost | no fix listed | GO-2024-3224 |
| Ubuntu:25.10 | gost | no fix listed | UBUNTU-CVE-2024-39223 |
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H