CVE-2020-3578

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 21-10-2020 09:15

Last modified: - 26-05-2022 05:11

Total changes: - 2

Description

A vulnerability 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 bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked. The vulnerability is due to insufficient validation of URLs when portal access rules are configured. An attacker could exploit this vulnerability by accessing certain URLs on the affected device.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Low

Attack complexity

Network

Attack vector

None

Availability

Low

Confidentiality

Low

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

6.5

Base score

3.9

2.5

Exploitability score

Impact score

Verification logic

vendor=cisco AND product=firepower_threat_defense AND versionStartIncluding=6.5.0 AND versionEndExcluding=6.5.0.5

vendor=cisco AND product=firepower_threat_defense AND versionStartIncluding=6.6.0 AND versionEndExcluding=6.6.1

vendor=cisco AND product=firepower_threat_defense AND versionStartIncluding=6.4.0 AND versionEndExcluding=6.4.0.10

vendor=cisco AND product=firepower_threat_defense AND versionEndExcluding=6.3.0.6

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.14 AND versionEndExcluding=9.14.1.19

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.13 AND versionEndExcluding=9.13.1.13

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.12 AND versionEndExcluding=9.12.4.4

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.10 AND versionEndExcluding=9.10.1.44

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.9 AND versionEndExcluding=9.9.2.80

vendor=cisco AND product=adaptive_security_appliance_software AND versionEndExcluding=9.6.4.45

vendor=cisco AND product=adaptive_security_appliance_software AND versionStartIncluding=9.7 AND versionEndExcluding=9.8.4.26

Reference

20201021 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Portal Access Rule Bypass Vulnerability-Patch, Vendor Advisory

Keywords

CVE-2020-3578

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2020-3578

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures