CVEvulnerability

CVE-2019-15271

8.8 HIGH Known exploited Published 2019-11-26 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability — Cisco RV Series Routers

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: 2022-06-08
Remediation due: 2022-06-22
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2019-15271

Status: Analyzed
Published: 2019-11-26
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected]): 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Weaknesses: CWE-502

Description

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 credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.

Affected configurations

• cisco rv016 multi-wan vpn firmware (< 4.2.3.10) • cisco rv042 dual wan vpn firmware (< 4.2.3.10) • cisco rv042g dual gigabit wan vpn firmware (< 4.2.3.10) • cisco rv082 dual wan vpn firmware (< 4.2.3.10)

Weakness · CWE (1)

CWE-502 Deserialization of Untrusted Data weakness

References