CVE-2008-3809

Name: CVE-2008-3809
Creator: NVD / NIST
Published: 2008-09-26T16:21:44.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.76%

Last modified Jun 16, 2026

CVE-2008-3809 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.76% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.76%

84.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Ios	12.0
Cisco	Ios	12.0da
Cisco	Ios	12.0db
Cisco	Ios	12.0dc
Cisco	Ios	12.0sc
Cisco	Ios	12.0sl
Cisco	Ios	12.0sp
Cisco	Ios	12.0st
Cisco	Ios	12.0sx
Cisco	Ios	12.0t
Cisco	Ios	12.0w
Cisco	Ios	12.0wc
Cisco	Ios	12.0xa
Cisco	Ios	12.0xb
Cisco	Ios	12.0xc
Cisco	Ios	12.0xd
Cisco	Ios	12.0xe
Cisco	Ios	12.0xg
Cisco	Ios	12.0xh
Cisco	Ios	12.0xi
Cisco	Ios	12.0xj
Cisco	Ios	12.0xk
Cisco	Ios	12.0xl
Cisco	Ios	12.0xm
Cisco	Ios	12.0xn
Cisco	Ios	12.0xq
Cisco	Ios	12.0xr
Cisco	Ios	12.0xt
Cisco	Ios	12.0xv
Cisco	Ios	12.1
Cisco	Ios	12.1aa
Cisco	Ios	12.1ax
Cisco	Ios	12.1ay
Cisco	Ios	12.1cx
Cisco	Ios	12.1da
Cisco	Ios	12.1dc
Cisco	Ios	12.1eb
Cisco	Ios	12.1ec
Cisco	Ios	12.1eo
Cisco	Ios	12.1eu
Cisco	Ios	12.1ew
Cisco	Ios	12.1ex
Cisco	Ios	12.1ey
Cisco	Ios	12.1ez
Cisco	Ios	12.1ga
Cisco	Ios	12.1gb
Cisco	Ios	12.1t
Cisco	Ios	12.1xa
Cisco	Ios	12.1xb
Cisco	Ios	12.1xc

Showing 50 of 204 affected configurations. See NVD for the full list.

References

http://secunia.com/advisories/31990Third Party Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=16638Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtmlVendor Advisory
http://www.securityfocus.com/bid/31356Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1020936Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2008/2670Permissions Required
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5477Third Party Advisory
http://secunia.com/advisories/31990Third Party Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=16638Vendor Advisory
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a01491.shtmlVendor Advisory
http://www.securityfocus.com/bid/31356Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1020936Broken Link, Third Party Advisory, VDB Entry
http://www.vupen.com/english/advisories/2008/2670Permissions Required
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5477Third Party Advisory

Timeline

Published: Sep 26, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2008-3809?

How severe is CVE-2008-3809?

Severity scoring for CVE-2008-3809 is pending analysis. The EPSS model estimates a 2.76% probability of exploitation in the next 30 days.

How do I fix CVE-2008-3809?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2008-3809?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST