CVE-2008-3809
Cisco IOS 12.0 through 12.4 on Gigabit Switch Router (GSR) devices (aka 12000 Series routers)...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2008-3809- CVSS 2.0
- 7.1 High
AV:N/AC:M/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2008-3809- Updated
- 2026-11-02
EUVDEUVD-2008-3795 No score
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.
- Record
EUVD-2008-3795- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-chjq-hm23-jp3m No score
Cisco IOS 12.0 through 12.4 on Gigabit Switch Router (GSR) devices (aka 12000 Series routers)...
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.
- Record
GHSA-chjq-hm23-jp3m- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-3809 is a high vulnerability (CVSS 7.1) in Cisco Ios, published September 26, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.76%, the 86th percentile. No source names a fixed version.
References
secunia.com/advisories/31990
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5477
securityfocus.com/bid/31356
vupen.com/english/advisories/2008/2670
securitytracker.com/id?1020936
tools.cisco.com/security/center/viewAlert.x?alertId=16638
cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtml
nvd.nist.gov/vuln/detail/CVE-2008-3809
github.com/advisories/GHSA-chjq-hm23-jp3m