CVE-2001-0650

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2001-09-20 · updated 2026-06-16

Description

Cisco devices IOS 12.0 and earlier allow a remote attacker to cause a crash, or bad route updates, via malformed BGP updates with unrecognized transitive attribute.

Affected products

Cisco IOS: through 12.0; 11.2, 11.3, 12.0

References

http://ciac.llnl.gov/ciac/bulletins/l-082.shtml
http://www.cisco.com/warp/public/707/ios-bgp-attr-corruption-pub.shtml
http://www.kb.cert.org/vuls/id/106392
http://www.osvdb.org/1830
http://www.securityfocus.com/bid/2733
https://exchange.xforce.ibmcloud.com/vulnerabilities/6566
http://ciac.llnl.gov/ciac/bulletins/l-082.shtml
http://www.cisco.com/warp/public/707/ios-bgp-attr-corruption-pub.shtml
http://www.kb.cert.org/vuls/id/106392
http://www.osvdb.org/1830
http://www.securityfocus.com/bid/2733
https://exchange.xforce.ibmcloud.com/vulnerabilities/6566

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