Auth bypass in Openbsd Openssh
CVE-2010-4478
OpenSSH 5.6 and earlier, when J-PAKE is enabled, does not properly validate the public parameters in the J-PAKE protocol, which allows remote attackers to bypass the need for knowledge of the shared secret, and successfully authenticate, b…
Vulnerability class: Broken Authentication
EPSS: 0.004 (60.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Openbsd Openssh — versions 3.0.1p1, 3.9.1, 2.5.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (signature, x_refsource_OVAL, vdb-entry)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- cve@mitre.org (Exploit, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
Frequently asked questions
- What is CVE-2010-4478?
- CVE-2010-4478 is a critical-severity vulnerability in Openbsd Openssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2010-12-06.
- How severe is CVE-2010-4478?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2010-4478 known to be exploited?
- 40 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.