PT-2021-2538 · Cisco · Rv340+9

Takeshi Shiomitsu

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Published

2021-04-07

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Updated

2024-09-21

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CVE-2021-1472

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions: Cisco Small Business RV Series Routers versions prior to 1.0.01.03 RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345, and RV345P (affected versions not specified)
Description: Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. The vulnerability is related to session management errors on affected devices, which could allow a remote attacker to bypass authentication and upload arbitrary files.
Recommendations: For versions prior to 1.0.01.03, update the firmware to version 1.0.01.03 or later to resolve the issue. As a temporary workaround, consider restricting access to the web-based management interface until a patch is available. Avoid using the vulnerable web-based management interface until the issue is resolved. At the moment, there is no information about additional mitigation measures for other affected versions.

Exploit

Fix

Buffer Overflow

Improper Access Control

Improper Authentication

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Weakness Enumeration

Related Identifiers

BDU:2021-01944
CVE-2021-1472

Affected Products

Cisco Small Business Rv Series Routers
Rv160
Rv160W
Rv260
Rv260P
Rv260W
Rv340
Rv340W
Rv345
Rv345P