CVE-2021-1490

Cisco Web Security Appliance Cross-Site Scripting Vulnerability

Description

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by persuading a user to retrieve a crafted file that contains malicious payload and upload it to the affected device. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory cisco.com
Affected: Cisco Cisco Web Security Appliance (WSA)
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-xss-mVjOWchB vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1490?
CVE-2021-1490 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1490?
To fix CVE-2021-1490, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1490 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1490 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1490?
CVE-2021-1490 affects Cisco Cisco Web Security Appliance (WSA).
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