Vulnerability in Cisco iOS
CVE-2017-3803
A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (45.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Cisco iOS — versions 15.2\(4\)e1, 15.2(2)e3, 15.2\(2\)e3
- Cisco iOS — versions Cisco IOS
Weakness classification (CWE)
References
- www.securityfocus.com/bid/95632 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118… (Mitigation, Vendor Advisory)
- www.securitytracker.com/id/1037657 (vdb-entry)
Frequently asked questions
- What is CVE-2017-3803?
- CVE-2017-3803 is a medium-severity vulnerability in Cisco iOS, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 4.7/10. Published 2017-01-26.
- How severe is CVE-2017-3803?
- Medium severity. CVSS v3 base score is 4.7 out of 10.