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Vulnerability record · CVE-2023-20120 · published 28 June 2023

CVE-2023-20120: Cisco secure email and web manager cross-site scripting vulnerability

Cisco · Secure Email And Web Manager

Multiple vulnerabilities in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager; Cisco Secure Email Gateway, formerly Cisco Email Security Appliance (ESA); and Cisco Secure Web Appliance, formerly Cisco Web Security Appliance (WSA), could allow a remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.

6.1 CVSS 3.1 Medium EPSS 0.47% · top 61.2% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Multiple vulnerabilities in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager; Cisco Secure Email Gateway, formerly Cisco Email Security Appliance (ESA); and Cisco Secure Web Appliance, formerly Cisco Web Security Appliance (WSA), could allow a remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. For more information about these vulnerabilities, see the Details section of this advisory.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-wsa-xss-cP9DuEmq Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-wsa-xss-cP9DuEmq Vendor Advisory

Track CVE-2023-20120 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-20401Cisco secure email gateway vulnerabilityA vulnerability in the content scanning and message filtering features of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker …EPSS 2.3%9.8CVE-2023-20032Cisco secure endpoint classic buffer overflow vulnerabilityOn Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition file parser of ClamA…EPSS 29%9.8CVE-2022-20798Cisco email security appliance improper authentication vulnerabilityA vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager, formerly known as Cisco Security Management Appli…EPSS 1.5%9.0CVE-2015-6298Cisco web security appliance os command injection vulnerabilityThe admin web interface in Cisco AsyncOS 8.x before 8.0.8-113, 8.1.x and 8.5.x before 8.5.3-051, 8.6.x and 8.7.x before 8.7.0-171-LD, and 8.8.x befor…EPSS 1.7%8.8CVE-2021-1359Cisco web security appliance vulnerabilityA vulnerability in the configuration management of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker…EPSS 1.9%8.8CVE-2019-15956Cisco asyncos improper access control vulnerabilityA vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote…EPSS 0.98%8.6CVE-2019-1886Cisco asyncos improper input validation vulnerabilityA vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a deni…EPSS 1.3%8.6CVE-2018-0410Cisco web security appliance uncontrolled resource consumption vulnerabilityA vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliances could allow an unauthenticated, remote att…EPSS 4.1%

Source: NIST National Vulnerability Database (record CVE-2023-20120), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.