CVE-2021-1472

Name: CVE-2021-1472
Creator: NVD / NIST
Published: 2021-04-08T04:15:13.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 72.47%

Last modified Jun 17, 2026

CVE-2021-1472 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 72.47% chance of exploitation in the next 30 days.

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. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

72.47%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Rv160 Firmware	< 1.0.01.03
Cisco	Rv160w Firmware	< 1.0.01.03
Cisco	Rv260 Firmware	< 1.0.01.03
Cisco	Rv260p Firmware	< 1.0.01.03
Cisco	Rv260w Firmware	< 1.0.01.03
Cisco	Rv340 Firmware	< 1.0.03.21
Cisco	Rv340w Firmware	< 1.0.03.21
Cisco	Rv345 Firmware	< 1.0.03.21
Cisco	Rv345p Firmware	< 1.0.03.21

References

http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Apr/39Mailing List, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-RbhgvfdxVendor Advisory
http://packetstormsecurity.com/files/162238/Cisco-RV-Authentication-Bypass-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2021/Apr/39Mailing List, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-bypass-inject-RbhgvfdxVendor Advisory

Timeline

Published: Apr 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1472?

How severe is CVE-2021-1472?

CVE-2021-1472 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 72.47% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1472?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1472?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST