Vulnerability in Cisco iOS
CVE-2011-3280
Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Cisco iOS — versions 12.1, 12.1e, 12.2
- Cisco iOS Xe — versions 3.1.0sg, 3.1.1sg
Weakness classification (CWE)
References
- tools.cisco.com/security/center/viewAlert.x (Vendor Advisory)
- www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtml (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2011-3280?
- CVE-2011-3280 is a high-severity vulnerability in Cisco iOS, classified under CWE-399. CVSS score: 7.5/10. Published 2011-10-03.
- How severe is CVE-2011-3280?
- High severity. CVSS v3 base score is 7.5 out of 10.