CVE-2021-1464: A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization checking and gain restrict...

Description

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization checking and gain restricted access to the configuration information of an affected system. This vulnerability exists because the affected software has insufficient input validation for certain commands. An attacker could exploit this vulnerability by sending crafted requests to the affected commands of an affected system. A successful exploit could allow the attacker to bypass authorization checking and gain restricted access to the configuration data of the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Metrics

CVSS 3.1

5/10

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

EPSS Probability

1.30%

66.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Catalyst Sd-Wan Manager	17.2.4
Cisco	Catalyst Sd-Wan Manager	17.2.5
Cisco	Catalyst Sd-Wan Manager	17.2.6
Cisco	Catalyst Sd-Wan Manager	17.2.7
Cisco	Catalyst Sd-Wan Manager	17.2.8
Cisco	Catalyst Sd-Wan Manager	17.2.9
Cisco	Catalyst Sd-Wan Manager	17.2.10
Cisco	Catalyst Sd-Wan Manager	18.2.0
Cisco	Catalyst Sd-Wan Manager	18.3.0
Cisco	Catalyst Sd-Wan Manager	18.3.1
Cisco	Catalyst Sd-Wan Manager	18.3.1.1
Cisco	Catalyst Sd-Wan Manager	18.3.3
Cisco	Catalyst Sd-Wan Manager	18.3.3.1
Cisco	Catalyst Sd-Wan Manager	18.3.4
Cisco	Catalyst Sd-Wan Manager	18.3.5
Cisco	Catalyst Sd-Wan Manager	18.3.6
Cisco	Catalyst Sd-Wan Manager	18.3.6.1
Cisco	Catalyst Sd-Wan Manager	18.3.7
Cisco	Catalyst Sd-Wan Manager	18.3.8
Cisco	Catalyst Sd-Wan Manager	18.4.0
Cisco	Catalyst Sd-Wan Manager	18.4.0.1
Cisco	Catalyst Sd-Wan Manager	18.4.1
Cisco	Catalyst Sd-Wan Manager	18.4.3
Cisco	Catalyst Sd-Wan Manager	18.4.4
Cisco	Catalyst Sd-Wan Manager	18.4.5
Cisco	Catalyst Sd-Wan Manager	18.4.6
Cisco	Catalyst Sd-Wan Manager	18.4.302
Cisco	Catalyst Sd-Wan Manager	18.4.303
Cisco	Catalyst Sd-Wan Manager	18.4.501_es
Cisco	Catalyst Sd-Wan Manager	19.0.0
Cisco	Catalyst Sd-Wan Manager	19.0.1a
Cisco	Catalyst Sd-Wan Manager	19.1.0
Cisco	Catalyst Sd-Wan Manager	19.2.0
Cisco	Catalyst Sd-Wan Manager	19.2.1
Cisco	Catalyst Sd-Wan Manager	19.2.2
Cisco	Catalyst Sd-Wan Manager	19.2.097
Cisco	Catalyst Sd-Wan Manager	19.2.098
Cisco	Catalyst Sd-Wan Manager	19.2.099
Cisco	Catalyst Sd-Wan Manager	19.3.0
Cisco	Catalyst Sd-Wan Manager	20.1.1
Cisco	Catalyst Sd-Wan Manager	20.1.1.1
Cisco	Catalyst Sd-Wan Manager	20.1.12

References

Timeline

Published: Nov 15, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-1464?

A vulnerability in Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to bypass authorization checking and gain restricted access to the configuration information of an affected system. This vulnerability exists because the affected software has insufficient input validation for certain commands. An attacker could exploit this vulnerability by sending crafted requests to the affected commands of an affected system. A successful exploit could allow the attacker to bypass authorization checking and gain restricted access to the configuration data of the affected system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

How severe is CVE-2021-1464?

CVE-2021-1464 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 1.30% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1464?

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.