CVE-2010-4252

CVE-2010-4252 is a high-severity vulnerability in Openssl with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 8% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Openssl
• Published: 2010-12-06
• Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2010-4252?

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.

How severe is CVE-2010-4252?

CVE-2010-4252 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-4252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4252?

CVE-2010-4252 primarily affects Openssl. In total, 76 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4252?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2010-4252 published?

CVE-2010-4252 was published on 2010-12-06 and last updated on 2026-06-16.

References

• http://cvs.openssl.org/chngview?cn=20098
• 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
• http://secunia.com/advisories/42469
• 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
• http://www.vupen.com/english/advisories/2010/3122
• 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%3A19039

Affected products (76)

• cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.1c:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.2b:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.3:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.3a:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.4:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5:beta1:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5:beta2:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5a:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5a:beta1:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.5a:beta2:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6:beta1:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6:beta2:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6:beta3:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6a:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6a:beta1:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6a:beta2:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6a:beta3:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6b:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6c:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6d:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6e:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6f:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6g:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6h:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6i:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6j:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6k:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6l:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.6m:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta3:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta4:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta5:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7:beta6:*:*:*:*:*:*
• cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*

More vulnerabilities in Openssl

• CVE-2009-3245 — Critical (CVSS 10.0): OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c,…
• CVE-2006-3738 — Critical (CVSS 10.0): Buffer overflow in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier…
• CVE-2026-31789 — Critical (CVSS 9.8): Issue summary: Converting an excessively large OCTET STRING value to a hexadecimal string leads to a heap buffer…
• CVE-2022-2274 — Critical (CVSS 9.8): The OpenSSL 3.0.4 release introduced a serious bug in the RSA implementation for X86_64 CPUs supporting the AVX512IFMA…
• CVE-2021-3711 — Critical (CVSS 9.8): In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt().…
• CVE-2016-6309 — Critical (CVSS 9.8): statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote…

All CVEs affecting Openssl →

Other CWE-287 (Improper Authentication) vulnerabilities

• CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
• CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
• CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
• CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
• CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 222.99.52.202 (ipv4-addr)
• 121.164.135.251 (ipv4-addr)
• 90.160.135.217 (ipv4-addr)
• 62.36.19.42 (ipv4-addr)
• 62.36.19.41 (ipv4-addr)
• 47.92.90.255 (ipv4-addr)
• 171.100.156.38 (ipv4-addr)