Vulnerability in Cisco Small Business Rv Series Router Firmware
CVE-2023-20025
A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, and RV082 Routers could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to bypass authentication and gain root access on the underlying operating system.
EPSS: 0.016 (74.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Cisco Small Business Rv Series Router Firmware — versions 2.0.0.19-tm, 2.0.2.01-tm, 1.3.12.19-tm
- Cisco Rv016
- Cisco Rv016_firmware
- Cisco Rv042
- Cisco Rv042_firmware
- Cisco Rv042g
- Cisco Rv042g_firmware
- Cisco Rv082
- Cisco Rv082_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20025?
- CVE-2023-20025 is a critical-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under CWE-293. CVSS score: 9.0/10. Published 2023-01-20.
- How severe is CVE-2023-20025?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2023-20025 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.