Improper input validation in Cisco Cbr-8
CVE-2020-3526
A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Cisco Cbr-8
- Cisco iOS Xe Software
- Cisco iOS Xe — versions 17.2
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3526?
- CVE-2020-3526 is a high-severity vulnerability in Cisco Cbr-8, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2020-09-24.
- How severe is CVE-2020-3526?
- High severity. CVSS v3 base score is 8.6 out of 10.