Deserialization in Cisco Small Business Rv Series Router Firmware
CVE-2019-15271
A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid…
Vulnerability class: Insecure Deserialization
EPSS: 0.056 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Small Business Rv Series Router Firmware — versions unspecified
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- 20191106 Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability (vendor-advisory, x_refsource_CISCO)
Frequently asked questions
- What is CVE-2019-15271?
- CVE-2019-15271 is a high-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-11-26.
- How severe is CVE-2019-15271?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-15271 known to be exploited?
- Yes. CVE-2019-15271 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.