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URL: https://nvd.nist.gov/vuln/detail/CVE-2020-3580

⇱ NVD - CVE-2020-3580

  1. Vulnerabilities

CVE-2020-3580 Detail

Description

Multiple vulnerabilities in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the web services interface of an affected device. The vulnerabilities are due to insufficient validation of user-supplied input by the web services interface of an affected device. An attacker could exploit these vulnerabilities by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive, browser-based information. Note: These vulnerabilities affect only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.


Metrics

 
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CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe CVE, Cisco Systems, Inc. Patch  Vendor Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3580 CISA-ADP US Government Resource 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability 11/03/2021 05/03/2022 Apply updates per vendor instructions.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 👁 cwe source acceptance level
NIST   Cisco Systems, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
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Change History

18 change records found show changes

CVE Modified by CISA-ADP 6/16/2026 11:18:38 PM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2024-11-08T16:07:33.171667Z","id":"CVE-2020-3580","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Cisco Systems, Inc. 6/16/2026 11:18:38 PM

Action Type Old Value New Value
Added Affected 
[{"vendor":"Cisco","product":"Cisco Adaptive Security Appliance (ASA) Software","versions":[{"version":"n/a","status":"affected"}]}]

Modified Analysis by NIST 10/28/2025 9:53:44 AM

Action Type Old Value New Value
Added Reference Type 
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3580 Types: US Government Resource

CVE Modified by CISA-ADP 10/21/2025 8:17:08 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3580

CVE Modified by CISA-ADP 10/21/2025 4:18:03 PM

Action Type Old Value New Value
Removed Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3580

CVE Modified by CISA-ADP 10/21/2025 3:18:34 PM

Action Type Old Value New Value
Added Reference 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3580

Modified Analysis by NIST 2/24/2025 10:36:35 AM

Action Type Old Value New Value

CVE Modified by CVE 11/21/2024 12:31:21 AM

Action Type Old Value New Value
Added Reference 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe

Modified Analysis by NIST 8/14/2024 4:09:32 PM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 up to (excluding) 9.8.4.29
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 up to (excluding) 9.9.2.80
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 up to (excluding) 9.10.1.44
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.12 up to (excluding) 9.12.4.4
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.13 up to (excluding) 9.13.1.13
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.14 up to (excluding) 9.14.1.30


 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions up to (excluding) 9.8.4.34
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 up to (excluding) 9.9.2.85
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 up to (excluding) 9.12.4.13
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.13 up to (excluding) 9.13.1.21
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.14 up to (excluding) 9.14.2.8
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.15 up to (excluding) 9.15.1.15
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.0.6
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (excluding) 6.4.0.10
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (excluding) 6.5.0.5
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.6.0 up to (excluding) 6.6.1


 
OR
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions up to (excluding) 6.4.0.12
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (excluding) 6.6.4
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.7.0 up to (excluding) 6.7.0.2

CVE Modified by Cisco Systems, Inc. 5/14/2024 3:12:15 AM

Action Type Old Value New Value

CVE Modified by Cisco Systems, Inc. 11/06/2023 10:22:56 PM

Action Type Old Value New Value
Added CVSS V3.1 
Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Removed CVSS V3 
Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.13 from (excluding) 9.13.1.13


 
OR
 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.13 from (excluding) 9.13.1.13

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Removed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.12 from (excluding) 9.12.4.4

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Removed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 from (excluding) 9.10.1.44

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 from (excluding) 9.9.2.80


 
OR
 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 from (excluding) 9.9.2.80

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.14 from (excluding) 9.14.1.30


 
OR
 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.14 from (excluding) 9.14.1.30

CPE Deprecation Remap by NIST 5/26/2022 11:11:49 AM

Action Type Old Value New Value
Changed CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 from (excluding) 9.8.4.29


 
OR
 *cpe:2.3:a:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 from (excluding) 9.8.4.29

Initial Analysis by NIST 10/28/2020 10:12:56 AM

Action Type Old Value New Value
Added CVSS V3.1 
NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Added CVSS V2 
NIST (AV:N/AC:H/Au:N/C:N/I:P/A:N)
Added CWE 
NIST CWE-79
Added CPE Configuration 
OR
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.7 up to (excluding) 9.8.4.29
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.9 up to (excluding) 9.9.2.80
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.10 up to (excluding) 9.10.1.44
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.12 up to (excluding) 9.12.4.4
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.13 up to (excluding) 9.13.1.13
 *cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:* versions from (including) 9.14 up to (excluding) 9.14.1.30
Added CPE Configuration 
OR
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions up to (excluding) 6.3.0.6
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (excluding) 6.4.0.10
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (excluding) 6.5.0.5
 *cpe:2.3:o:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* versions from (including) 6.6.0 up to (excluding) 6.6.1
Changed Reference Type 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe No Types Assigned


 
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe Patch, Vendor Advisory
Added CVSS V2 Metadata 
Victim must voluntarily interact with attack mechanism

Quick Info

CVE Dictionary Entry:
CVE-2020-3580
NVD Published Date:
10/21/2020
NVD Last Modified:
06/16/2026
Source:
Cisco Systems, Inc.