Is CVE-2019-15271 actively exploited?

Yes. CVE-2019-15271 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2019-15271 be exploited remotely?

The attack vector of CVE-2019-15271 has not been classified yet.

What is the CVSS score of CVE-2019-15271?

CVE-2019-15271 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2019-15271

HIGHCISA KEVIN THE WILD

CVE-2019-15271

Published: June 8, 2022

EPSS:5.88%probability of exploitation in 30 daysPercentile:90.4th

Official Description

A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges.

NVD Source

CISA KEV Advisory

Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability

A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges.

Added to KEV: 2022-06-08Federal patch deadline: 2022-06-22

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

This deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges. It is a high-severity flaw and is urgent due to its inclusion in CISA's KEV catalog, confirming active exploitation. The EPSS score of 0.05878 indicates a moderate likelihood of exploitation.

This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog, confirming its use by attackers. It is remotely exploitable via the web-based management interface.

Recommended Action

Apply available firmware updates for affected Cisco Small Business RV Series Routers. Restrict access to the web-based management interface to trusted networks and users.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2019-15271 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2019-15271 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.