PT-2022-2295 · Cisco · Cisco Small Business Rv345+3

Dcmtruman + 1 · Published 2022-02-02 · Updated 2022-02-17 · CVE-2022-20749

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers (affected versions not specified)

Description The issue allows an attacker to execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, and cause denial of service (DoS). The vulnerability exists due to the lack of measures to neutralize special elements used in the operating system command. Exploitation of the vulnerability may allow a remote attacker to execute arbitrary commands using a specially crafted request.

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

Memory Corruption

OS Command Injection

Stack Overflow

Weakness Enumeration

CWE-787

CWE-78

CWE-121

Related Identifiers

BDU:2022-02479

CVE-2022-20749

Affected Products

Cisco Small Business Rv160

Cisco Small Business Rv260

Cisco Small Business Rv340

Cisco Small Business Rv345

References · 8

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02479 · Security Note
• https://osv.dev/vulnerability/CVE-2022-20749 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20749 · Security Note
• https://t.me/cvenotify/26588 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2022020301 · Note
• https://t.me/cvenotify/26915 · Telegram Post
• https://t.me/nekaspersky/1769 · Telegram Post