CVE-2023-20206

mediumpriority · track · 24EPSS 0.004 · 35 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.40% (35th) EPSS

CVSS 6.1 · medium

Is it mine?

85 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by inserting crafted input into various data fields in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface, or access sensitive, browser-based information. In some cases, it is also possible to cause a temporary availability impact to portions of the FMC Dashboard.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Secure Firewall Management Center (FMC) 6.6.0 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.0.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.3 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.4 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.5 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.5.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.5.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.7 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.7.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 6.6.7.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.0 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.0.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.1.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.2.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.3 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.4 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.0.5 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.1.0 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.1.0.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.1.0.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.1.0.3 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.0 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.0.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.3 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.3.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.2.4 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.3.0 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.3.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.3.1.1 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Secure Firewall Management Center (FMC) 7.3.1.2 when installed on Cisco Secure Firewall Management Center (FMC) Appliancescisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · psirt@cisco.com USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · Cisco PSIRT US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (85)

Products and version ranges known to be affected.

showing 20 of 85

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2811Cisco Firepower Management Center: Mehrere Schwachstellen ermöglichen Cross-Site ScriptingDeutsch2023-11-01csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Cisco Firepower Management Center ausnutzen, um einen Cross-Site-Scripting-Angriff zu starten, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen und vertrauliche Informationen offenzulegen.
cisco-sa-fmc-xss-sK2gkfvJCisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities2023-11-01csaf · cisco_csafUS
Multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit these vulnerabilities by inserting crafted input into various data fields in an affected interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface, or access sensitive, browser-based information. In some cases, it is also possible to cause a temporary availability impact to portions of the FMC Dashboard. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of the November 2023 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see Cisco Event Response: November 2023 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74985"].

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisco_csaf NVD CVE.org MITRE

published 2023-11-01modified 2026-06-17

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+53006 more

references (4)

External citations — patches, advisories, analysis.

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