CVE-2019-15271

Cisco RV Series Routers — Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability
⚠️ CVSS 3.1  8.8 / 10 — HIGH 🔴 CISA Known Exploited Vulnerability

Overview

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.

https://nvd.nist.gov/vuln/detail/CVE-2019-15271

Key Details

PropertyValue
CVE ID CVE-2019-15271
Vendor / Product Cisco — RV Series Routers
NVD Published2019-11-26
NVD Last Modified2025-10-28
CVSS 3.1 Score8.8
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SeverityHIGH
CWE CWE-502
CISA KEV Added2022-06-08
CISA KEV Deadline2022-06-22
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-06-22. Apply updates per vendor instructions.

Timeline

DateEvent
2022-06-08Added to CISA Known Exploited Vulnerabilities catalog
2022-06-22CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2019-15271 Vulnerability Database
CISA KEV Catalog Entry US Government