Vulnerability in Cisco iOS
CVE-2011-4667
The encryption library in Cisco IOS Software 15.2(1)T, 15.2(1)T1, and 15.2(2)T, Cisco NX-OS in Cisco MDS 9222i Multiservice Modular Switch, Cisco MDS 9000 18/4-Port Multiservice Module, and Cisco MDS 9000 Storage Services Node module before 5.2(6), and Cisco IOS in Cisco VPN Services Port Adaptor for Catalyst 6500 12.2(33)SXI, and 12.2(33)SXJ when IP Security (aka IPSec) is used, allows remote attackers to obtain unencrypted packets from encrypted sessions.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Cisco iOS — versions 15.2(2)t, 12.2(33)sxj, 15.2(1)t
- Cisco Nx-Os — versions 5.0(5), 5.0\(5\)
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20120913… (vendor-advisory, Vendor Advisory)
- www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SX/release/note… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2011-4667?
- CVE-2011-4667 is a medium-severity vulnerability in Cisco iOS, classified under Cryptographic Issues. CVSS score: 5.9/10. Published 2017-09-25.
- How severe is CVE-2011-4667?
- Medium severity. CVSS v3 base score is 5.9 out of 10.