CVE-2010-0577

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-03-25 · updated 2026-06-16
Weakness: CWE-399

Description

Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.

Affected products

Cisco IOS: 12.2b, 12.2bc, 12.2bx, 12.2by, 12.2bz, 12.2cx (+130)

References

http://osvdb.org/63178
http://secunia.com/advisories/39078
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b20f34.shtml
http://www.securityfocus.com/bid/38930
http://www.securitytracker.com/id?1023743
http://www.vupen.com/english/advisories/2010/0703
https://exchange.xforce.ibmcloud.com/vulnerabilities/57129
http://osvdb.org/63178
http://secunia.com/advisories/39078
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b20f34.shtml
http://www.securityfocus.com/bid/38930
http://www.securitytracker.com/id?1023743

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