CVE-2012-4620
HIGH · CVSS 7.8EPSS 2.8%EU EUVD
Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 2.8% (86th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4545)
- Published
- September 27, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4545 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / 10008 router
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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