8.8High KEV

CVE-2019-15271Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability

Cisco Cisco Small Business RV Series Router Firmware Published: (6 years ago)

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

CISA confirmed this vulnerability is used in real attacks on 08.06.2022. Remediation deadline for US federal agencies: 22.06.2022.

Required action: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-15271

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.

Weakness (CWE): CWE-502

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Cisco Cisco Small Business RV Series Router Firmware unspecified – < n/a
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

References and patches

CPE matches (NVD) (4)

  • cpe:2.3:o:cisco:rv016_multi-wan_vpn_firmware:*:*:*:*:*:*:*:* < 4.2.3.10
  • cpe:2.3:o:cisco:rv042_dual_wan_vpn_firmware:*:*:*:*:*:*:*:* < 4.2.3.10
  • cpe:2.3:o:cisco:rv042g_dual_gigabit_wan_vpn_firmware:*:*:*:*:*:*:*:* < 4.2.3.10
  • cpe:2.3:o:cisco:rv082_dual_wan_vpn_firmware:*:*:*:*:*:*:*:* < 4.2.3.10