VDB-163466 · CVE-2020-3580 · GCVE-0-2020-3580

Cisco ASA/Firepower Threat Defense Web Services Interface cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco ASA and Firepower Threat Defense. The affected element is an unknown function of the component Web Services Interface. Such manipulation leads to cross site scripting. This vulnerability is documented as CVE-2020-3580. The attack can be executed remotely. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco ASA and Firepower Threat Defense (Firewall Software) (affected version not known). It has been rated as problematic. Affected by this issue is some unknown functionality of the component Web Services Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The weakness was released 10/23/2020. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2020-3580. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is available at twitter.com. It is declared as attacked. As 0-day the estimated underground price was around $5k-$25k. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

tenable.com is providing further details. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Firewall Software

Vendor

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/12/2019 🔍
10/23/2020 +315 days 🔍
10/23/2020 +0 days 🔍
05/04/2025 +1654 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: tools.cisco.com
Status: Confirmed

CVE: CVE-2020-3580 (🔍)
GCVE (CVE): GCVE-0-2020-3580
GCVE (VulDB): GCVE-100-163466
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 10/23/2020 11:48
Updated: 05/04/2025 20:54
Changes: 10/23/2020 11:48 (36), 11/26/2020 09:47 (2), 11/26/2020 09:52 (19), 06/25/2021 13:22 (9), 04/20/2024 06:34 (28), 08/14/2024 22:45 (12), 09/09/2024 22:29 (1), 10/08/2024 06:33 (1), 05/04/2025 20:54 (5)
Complete: 🔍
Cache ID: 216::103

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