PT-2021-1934 · Cisco · Cisco Small Business Rv160+4

T. Shiomitsu · Published 2021-02-03 · Updated 2022-08-05 · CVE-2021-1297

Positive Technologies (AI Summary)

CVSS v2.0

9.4

High

Base vector

AV:N/AC:L/Au:N/C:N/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 The web-based management interface of the affected devices has multiple vulnerabilities due to insufficient input validation, allowing an unauthenticated, remote attacker to conduct directory traversal attacks and overwrite certain files that should be restricted on an affected system. An attacker could exploit these vulnerabilities by using the web-based management interface to upload a file to a location on an affected device that they should not have access to. A successful exploit could allow the attacker to overwrite files on the file system of the affected device.

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

Path traversal

Weakness Enumeration

CWE-36

CWE-22

Related Identifiers

BDU:2021-00738

CVE-2021-1297

ZDI-21-135

Affected Products

Cisco Small Business Rv160

Cisco Small Business Rv160W

Cisco Small Business Rv260

Cisco Small Business Rv260P

Cisco Small Business Rv260W

References · 8

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv160-260-filewrite-7x9mnKjn · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-135 · Security Note
• https://bdu.fstec.ru/vul/2021-00738 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1297 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1297 · Security Note
• https://t.me/cibsecurity/23106 · Telegram Post
• https://t.me/cvenotify/9598 · Telegram Post
• https://t.me/true_secator/1403 · Telegram Post