PT-2021-3255 · Cisco · Cisco Web Security Appliance+1

Jürg Schweingruber + 1 · Published 2021-05-05 · Updated 2021-05-14 · CVE-2021-1490

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Web Security Appliance (WSA) versions (affected versions not specified)

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.

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

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2021-02988

CVE-2021-1490

Affected Products

Cisco Asyncos

Cisco Web Security Appliance

References · 5

• https://bdu.fstec.ru/vul/2021-02988 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1490 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1490 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-xss-mVjOWchB · Vendor Advisory
• https://t.me/cvenotify/14471 · Telegram Post