PT-2021-1700 · Cisco · Cisco Small Business Rv130+3

Kai Cheng · Published 2021-01-13 · Updated 2022-08-05 · CVE-2021-1147

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers (affected versions not specified)

Description The issue is related to multiple vulnerabilities in the web-based management interface of the affected routers. These vulnerabilities are due to improper validation of user-supplied input, allowing an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to a targeted device, potentially allowing the execution of arbitrary code as the root user on the underlying operating system. The attacker would need to have valid administrator credentials on an affected device to exploit these vulnerabilities.

Recommendations For Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

RCE

OS Command Injection

Weakness Enumeration

CWE-77

CWE-20

CWE-78

Related Identifiers

BDU:2021-00383

CVE-2021-1147

Affected Products

Cisco Small Business Rv110W

Cisco Small Business Rv130

Cisco Small Business Rv130W

Cisco Small Business Rv215W

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-1147 · Security Note
• https://bdu.fstec.ru/vul/2021-00383 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1147 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-command-inject-LBdQ2KRN · Vendor Advisory