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4.8 Medium

CVE-2026-20091 A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could…

Description

A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious data into specific pages of the interface. 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. To exploit this vulnerability, the attacker must have valid credentials for a user account with the role of Administrator or AAA Administrator. 

Affected products and versions

Product Affected versions Fixed in
Cisco Firepower Extensible Operating System (FXOS) 2.16.0.128 No fix stated
Cisco Firepower Extensible Operating System (FXOS) 2.14 2.14.1.131 → 2.14.1.167 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20 9.20.2 → 9.20.3.20 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19 9.19.1 → 9.19.1.42 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18 9.18.1 → 9.18.4.57 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17 9.17.1 → 9.17.1.45 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16 9.16.1 → 9.16.4.84 No fix stated
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12 9.12.1 → 9.12.4.67 No fix stated
Cisco Unified Computing System (Managed) Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco Firepower Extensible Operating System (FXOS)

The 15 CVEs of Cisco Firepower Extensible Operating System (FXOS) →
CVE-2026-20099 A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could… 6.7 Medium CVE-2024-20294 A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco FXOS Software and Cisco NX-OS Software… 6.6 Medium CVE-2023-20234 A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to create a file or… 4.4 Medium CVE-2023-20200 A vulnerability in the Simple Network Management Protocol (SNMP) service of Cisco FXOS Software for Firepower 4100… 7.7 High
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