PT-2021-3996 · Cisco · Cisco Small Business Rv160W+4

Ainevsia + 4 · Published 2021-08-04 · Updated 2021-08-11 · CVE-2021-1602

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers (affected versions not specified)

Description A vulnerability in the web-based management interface could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. This is due to insufficient user input validation. An attacker could exploit this by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device using root-level privileges. Due to the nature of the vulnerability, only commands without parameters can be executed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

RCE

Weakness Enumeration

CWE-78

CWE-20

Related Identifiers

BDU:2021-04518

CVE-2021-1602

Affected Products

Cisco Small Business Rv160

Cisco Small Business Rv160W

Cisco Small Business Rv260

Cisco Small Business Rv260P

Cisco Small Business Rv260W

References · 6

• https://osv.dev/vulnerability/CVE-2021-1602 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1602 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-code-execution-9UVJr7k4 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04518 · Security Note
• https://t.me/true_secator/1974 · Telegram Post
• https://t.me/cibsecurity/26844 · Telegram Post