CVE-2008-3809

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-09-26 · updated 2026-06-16

Description

Cisco IOS 12.0 through 12.4 on Gigabit Switch Router (GSR) devices (aka 12000 Series routers) allows remote attackers to cause a denial of service (device crash) via a malformed Protocol Independent Multicast (PIM) packet.

Affected products

Cisco IOS: 12.0, 12.0da, 12.0db, 12.0dc, 12.0sc, 12.0sl (+198)

References

http://secunia.com/advisories/31990
http://tools.cisco.com/security/center/viewAlert.x?alertId=16638
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtml
http://www.securityfocus.com/bid/31356
http://www.securitytracker.com/id?1020936
http://www.vupen.com/english/advisories/2008/2670
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5477
http://secunia.com/advisories/31990
http://tools.cisco.com/security/center/viewAlert.x?alertId=16638
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtml
http://www.securityfocus.com/bid/31356
http://www.securitytracker.com/id?1020936

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