CVE-2010-4478
9.8
CRITICAL · CVSS 3.1 · EPSS 4.2% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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, by sending crafted values in each round of the protocol, a related issue to CVE-2010-4252.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.24% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2010-12-06 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| openbsd | openssh |
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
- http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4%3Br2=1.5%3Bf=h
- https://bugzilla.redhat.com/show_bug.cgi?id=659297
- https://github.com/seb-m/jpake
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12338
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
- http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c#rev1.5
- http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/jpake.c.diff?r1=1.4%3Br2=1.5%3Bf=h
- https://bugzilla.redhat.com/show_bug.cgi?id=659297
- https://github.com/seb-m/jpake
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12338
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