CVE-2007-2813

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-22 · updated 2026-06-16

Description

Cisco IOS 12.4 and earlier, when using the crypto packages and SSL support is enabled, allows remote attackers to cause a denial of service via a malformed (1) ClientHello, (2) ChangeCipherSpec, or (3) Finished message during an SSL session.

Affected products

Cisco Ios Transmission Control Protocol: 12.0t, 12.0wc, 12.0xe, 12.0xh, 12.0xi, 12.0xk (+182)

References

http://secunia.com/advisories/25361
http://www.cisco.com/en/US/products/products_security_advisory09186a0080847c49.shtml
http://www.osvdb.org/35339
http://www.securityfocus.com/bid/24097
http://www.securitytracker.com/id?1018094
http://www.vupen.com/english/advisories/2007/1910
https://exchange.xforce.ibmcloud.com/vulnerabilities/34432
https://exchange.xforce.ibmcloud.com/vulnerabilities/34436
https://exchange.xforce.ibmcloud.com/vulnerabilities/34442
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5745
http://secunia.com/advisories/25361
http://www.cisco.com/en/US/products/products_security_advisory09186a0080847c49.shtml

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