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CISA KEV · Known exploitedMedium

CVE-2020-3580

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

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...

CVSS
6.1
EPSS
85.6%
99.7% percentile
CISA KEV
Listed
Published
2020.10.22
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability85.6%
Technical severityCVSS 6.1

Vulnerability overview

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...

Affected product and versions

Product
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Affected versions
< 6.4.0.12, >= 6.5.0 < 6.6.4, >= 6.7.0 < 6.7.0.2, < 9.8.4.34, >= 9.9 < 9.9.2.85, >= 9.10 < 9.12.4.13, >= 9.13 < 9.13.1.21, >= 9.14 < 9.14.2.8, >= 9.15 < 9.15.1.15
Fixed versions
6.4.0.12, 6.6.4, 6.7.0.2, 9.8.4.34, 9.9.2.85, 9.12.4.13, 9.13.1.21, 9.14.2.8, 9.15.1.15

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2022.05.03
  1. 1
    Identify

    Confirm that Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
CWE-79
KEV added
2021.11.03
Ransomware use
확인됨
CVE-2020-3580 — Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) | SECUFOCUS NOW