PT-2021-6873 · Cisco · Cisco Asyncos+1

Swarnali Chakraborty · Published 2021-11-02 · Updated 2022-04-14 · CVE-2022-20781

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

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

Description A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by inserting malicious data into a specific data field in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface.

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

XSS

RCE

Weakness Enumeration

CWE-79

CWE-20

Related Identifiers

BDU:2022-02386

CVE-2022-20781

Affected Products

Cisco Asyncos

Cisco Web Security Appliance

References · 8

• https://bdu.fstec.ru/vul/2022-02386 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-20781 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wsa-stored-xss-XPsJghMY · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-20781 · Vendor Advisory
• https://vuldb.com/ru/?id.196617 · Note
• https://t.me/cibsecurity/40251 · Telegram Post
• https://t.me/cvenotify/28541 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2022040626 · Note