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Vulnerability record · CVE-2010-4252 · published 6 December 2010

CVE-2010-4252: Openssl improper authentication vulnerability

OOpenssl · Openssl

OpenSSL before 1.0.0c, 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.

7.5 CVSS 2.0 High EPSS 8.1% · top 5.4% CWE-287 · Improper authentication
7.5CVSS 2.0 base score
8.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
32References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

OpenSSL before 1.0.0c, 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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cvs.openssl.org/chngview?cn=20098 Patch
http://marc.info/?l=bugtraq&m=129916880600544&w=2
http://marc.info/?l=bugtraq&m=130497251507577&w=2
http://openssl.org/news/secadv_20101202.txt
http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf Exploit
http://secunia.com/advisories/42469 Vendor Advisory
http://secunia.com/advisories/57353
http://securitytracker.com/id?1024823
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://www.securityfocus.com/bid/45163
http://www.vupen.com/english/advisories/2010/3120 Vendor Advisory
http://www.vupen.com/english/advisories/2010/3122 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=659297 Patch
https://github.com/seb-m/jpake Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039
http://cvs.openssl.org/chngview?cn=20098 Patch
http://marc.info/?l=bugtraq&m=129916880600544&w=2
http://marc.info/?l=bugtraq&m=130497251507577&w=2
http://openssl.org/news/secadv_20101202.txt
http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf Exploit
http://secunia.com/advisories/42469 Vendor Advisory
http://secunia.com/advisories/57353
http://securitytracker.com/id?1024823
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.668471
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://www.securityfocus.com/bid/45163
http://www.vupen.com/english/advisories/2010/3120 Vendor Advisory
http://www.vupen.com/english/advisories/2010/3122 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=659297 Patch
https://github.com/seb-m/jpake Patch
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19039

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Source: NIST National Vulnerability Database (record CVE-2010-4252), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.