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CVE-2002-0656 OpenSSL

Affected softwareOpenSSL
Severity7.5 High CVSS 2.0
Published12 Aug 2002
Updated16 Jun 2026

Description

Buffer overflows in OpenSSL 0.9.6d and earlier, and 0.9.7-beta2 and earlier, allow remote attackers to execute arbitrary code via (1) a large client master key in SSL2 or (2) a large session ID in SSL3.

Exploitation status

Working exploit published

A reviewed exploit catalogue lists ready-to-run exploit code for this CVE.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 1 indexed Published artifacts you can open, in Exploit-DB; first seen 2002-09-17.
  • EPSS 90% chance in 30 days A model's forecast, not a report of exploitation. Higher than 99.8% of all scored CVEs.
IndexArtifactStarsFirst seen
Exploit-DB Apache mod_ssl OpenSSL < 0.9.6d / < 0.9.7-beta2 - 'openssl-too-open.c' SSL2 KEY_ARG Overflow 2002-09-17

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

Affected software and releases

Products and versions

5 products, 34 version entries
SourceVendorProductSchemeAffected versions
nvd apple mac os x generic 10.0 · 10.0.1 · 10.0.2 · 10.0.3 · 10.0.4 · 10.1 · 10.1.1 · 10.1.2 · 10.1.3 · 10.1.4 · 10.1.5
nvd openssl openssl generic 0.9.1c · 0.9.2b · 0.9.3 · 0.9.4 · 0.9.5 · 0.9.5a · 0.9.6 · 0.9.6a · 0.9.6b · 0.9.6c · 0.9.6d · 0.9.7:beta1 · 0.9.7:beta2
nvd oracle application server generic any version · 1.0.2 · 1.0.2.1s · 1.0.2.2
nvd oracle corporate time outlook connector generic 3.1 · 3.1.1 · 3.1.2 · 3.3
nvd oracle http server generic 9.0.1 · 9.2.0

References

URLTags
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-033.0.txt
ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-033.1.txt
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:33.openssl.asc
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000513
http://www.cert.org/advisories/CA-2002-23.html US Government Resource
http://www.iss.net/security_center/static/9714.php
http://www.iss.net/security_center/static/9716.php
http://www.kb.cert.org/vuls/id/102795 US Government Resource
http://www.kb.cert.org/vuls/id/258555 US Government Resource
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-046.php

Timeline

Published2002-08-12By the CVE Program.
NVD record modified2026-06-16NVD's own last-modified date for this record.