Buffer overflow in Cisco Cbr-8 Converged Broadband Router
CVE-2017-3824
A vulnerability in the handling of list headers in Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Cisco cBR-8 Converged Broadband Routers running vulnerable versions of Cisco IOS XE are affected. More Information: CSCux40637. Known Affected Releases: 15.5(3)S 15.6(1)S. Known Fixed Releases: 15.5(3)S2 15.6(1)S1 15.6(2)S 15.6(2)SP 16.4(1).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Cisco Cbr-8 Converged Broadband Router
- Cisco iOS Xe — versions 3.16.0, 3.16.1, 3.17.0
- Cisco iOS Xe 15.x — versions Cisco IOS XE 15.x
Weakness classification (CWE)
References
- www.securitytracker.com/id/1037774 (vdb-entry)
- www.securityfocus.com/bid/95937 (VDB Entry, Third Party Advisory, vdb-entry)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-3824?
- CVE-2017-3824 is a medium-severity vulnerability in Cisco Cbr-8 Converged Broadband Router, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.8/10. Published 2017-02-03.
- How severe is CVE-2017-3824?
- Medium severity. CVSS v3 base score is 6.8 out of 10.