What’s Vulnerable › Vulnerabilities

CVE-2012-0382

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-03-29 · updated 2026-06-16
• Weakness: CWE-400

Description

The Multicast Source Discovery Protocol (MSDP) implementation in Cisco IOS 12.0, 12.2 through 12.4, and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.1S and 3.1.xSG and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) via encapsulated IGMP data in an MSDP packet, aka Bug ID CSCtr28857.

Affected products

• Cisco IOS: 12.0, 12.2, 12.2(1), 12.2(1)dx, 12.2(1)s, 12.2(1)t (+749)
• Cisco IOS XE: from 2.1.0 through 2.6.2; from 3.1.0s before 3.4.1s; from 3.1.0sg before 3.2.2sg — fixed in 3.2.2sg, 3.4.1s

How to fix

Upgrade to a fixed version: Cisco IOS XE 3.2.2sg, 3.4.1s. Check the vendor advisory for mitigations.

References

• http://osvdb.org/80693
• http://secunia.com/advisories/48630
• http://secunia.com/advisories/48633
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-msdp
• http://www.securityfocus.com/bid/52759
• http://www.securitytracker.com/id?1026868
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74431
• http://osvdb.org/80693
• http://secunia.com/advisories/48630
• http://secunia.com/advisories/48633
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-msdp
• http://www.securityfocus.com/bid/52759

Get alerted when CVE-2012-0382 or the next vulnerability affects your stack