CVE-2019-15271

A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could…

CISA KEV
Yes — actively exploited (added 2022-06-08, remediation due 2022-06-22)
Weakness (CWE)
CWE-502

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.

Affected products

Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.

Required action (CISA)

Apply updates per vendor instructions. Federal remediation deadline: 2022-06-22.

How to prioritize this

This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.

FAQ

Is CVE-2019-15271 actively exploited?

Yes. CISA added CVE-2019-15271 to its Known Exploited Vulnerabilities (KEV) catalog on 2022-06-08, with a federal remediation deadline of 2022-06-22. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.

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

CVE-2019-15271 has no published CVSS base score yet — NVD analysis can lag disclosure. Check the vendor references for an interim severity.

Related vulnerabilities

Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.