CVE-2024-20331

Description

A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to prevent users from authenticating. This vulnerability is due to insufficient entropy in the authentication process. An attacker could exploit this vulnerability by determining the handle of an authenticating user and using it to terminate their authentication session. A successful exploit could allow the attacker to force a user to restart the authentication process, preventing a legitimate user from establishing remote access VPN sessions.

Reserved 2023-11-08 | Published 2024-10-23 | Updated 2024-10-24 | Assigner cisco

Problem types

Use of Insufficiently Random Values

Product status

Default status
unknown

9.12.3
affected

9.8.3
affected

9.12.1
affected

9.8.1
affected

9.12.2
affected

9.8.2.45
affected

9.8.2
affected

9.8.4
affected

9.14.1
affected

9.12.4
affected

9.8.2.26
affected

9.8.2.24
affected

9.8.2.15
affected

9.8.2.14
affected

9.8.2.35
affected

9.8.2.20
affected

9.8.2.8
affected

9.8.2.17
affected

9.8.2.28
affected

9.8.2.33
affected

9.8.2.38
affected

9.8.4.25
affected

9.12.3.2
affected

9.12.3.7
affected

9.8.3.18
affected

9.8.3.14
affected

9.8.4.15
affected

9.8.4.8
affected

9.8.1.7
affected

9.8.3.29
affected

9.14.1.10
affected

9.12.2.5
affected

9.8.4.22
affected

9.12.3.12
affected

9.8.4.7
affected

9.8.4.17
affected

9.8.3.16
affected

9.8.4.20
affected

9.8.3.11
affected

9.12.1.3
affected

9.8.4.3
affected

9.12.2.4
affected

9.8.4.12
affected

9.12.1.2
affected

9.8.3.26
affected

9.8.1.5
affected

9.12.2.9
affected

9.12.3.9
affected

9.8.3.21
affected

9.8.4.10
affected

9.12.2.1
affected

9.12.4.2
affected

9.14.1.6
affected

9.8.3.8
affected

9.14.1.15
affected

9.14.1.19
affected

9.8.4.26
affected

9.12.4.4
affected

9.14.1.30
affected

9.8.4.29
affected

9.12.4.7
affected

9.15.1
affected

9.14.2
affected

9.12.4.8
affected

9.8.4.32
affected

9.12.4.10
affected

9.14.2.4
affected

9.15.1.7
affected

9.14.2.8
affected

9.12.4.13
affected

9.8.4.33
affected

9.15.1.10
affected

9.14.2.13
affected

9.8.4.34
affected

9.12.4.18
affected

9.15.1.15
affected

9.8.4.35
affected

9.14.2.15
affected

9.12.4.24
affected

9.16.1
affected

9.15.1.16
affected

9.8.4.39
affected

9.14.3
affected

9.12.4.26
affected

9.16.1.28
affected

9.14.3.1
affected

9.12.4.29
affected

9.14.3.9
affected

9.16.2
affected

9.12.4.30
affected

9.16.2.3
affected

9.8.4.40
affected

9.14.3.11
affected

9.15.1.17
affected

9.12.4.35
affected

9.8.4.41
affected

9.15.1.1
affected

9.14.3.13
affected

9.16.2.7
affected

9.12.4.37
affected

9.14.3.15
affected

9.17.1
affected

9.16.2.11
affected

9.14.3.18
affected

9.16.2.13
affected

9.12.4.39
affected

9.12.4.38
affected

9.8.4.43
affected

9.14.4
affected

9.16.2.14
affected

9.17.1.7
affected

9.12.4.40
affected

9.15.1.21
affected

9.16.3.3
affected

9.14.4.6
affected

9.16.3
affected

9.16.3.14
affected

9.17.1.9
affected

9.14.4.7
affected

9.12.4.41
affected

9.17.1.10
affected

9.8.4.44
affected

9.18.1
affected

9.12.4.47
affected

9.14.4.12
affected

9.16.3.15
affected

9.18.1.3
affected

9.17.1.11
affected

9.12.4.48
affected

9.14.4.13
affected

9.18.2
affected

9.16.3.19
affected

9.17.1.13
affected

9.12.4.50
affected

9.14.4.14
affected

9.17.1.15
affected

9.8.4.45
affected

9.12.4.52
affected

9.14.4.15
affected

9.16.3.23
affected

9.18.2.5
affected

9.16.4
affected

9.12.4.54
affected

9.14.4.17
affected

9.8.4.46
affected

9.17.1.20
affected

9.18.2.7
affected

9.19.1
affected

9.16.4.9
affected

9.12.4.55
affected

9.18.2.8
affected

9.14.4.22
affected

9.16.4.14
affected

9.8.4.48
affected

9.18.3
affected

9.19.1.5
affected

9.14.4.23
affected

9.12.4.56
affected

9.16.4.18
affected

9.17.1.30
affected

9.19.1.9
affected

9.18.3.39
affected

9.16.4.19
affected

9.12.4.58
affected

9.19.1.12
affected

9.18.3.46
affected

9.16.4.27
affected

9.19.1.18
affected

9.18.3.53
affected

9.18.3.55
affected

9.16.4.38
affected

9.17.1.33
affected

9.12.4.62
affected

9.16.4.39
affected

9.18.3.56
affected

9.20.1
affected

9.16.4.42
affected

9.19.1.22
affected

9.18.4
affected

9.20.1.5
affected

9.18.4.5
affected

9.19.1.24
affected

9.16.4.48
affected

9.18.4.8
affected

9.20.2
affected

9.19.1.27
affected

9.12.4.65
affected

9.14.4.24
affected

Default status
unknown

6.2.3.14
affected

6.4.0.1
affected

6.2.3.7
affected

6.2.3
affected

6.4.0.2
affected

6.2.3.9
affected

6.2.3.1
affected

6.2.3.2
affected

6.4.0.5
affected

6.2.3.10
affected

6.4.0
affected

6.4.0.3
affected

6.2.3.6
affected

6.4.0.4
affected

6.2.3.15
affected

6.2.3.5
affected

6.2.3.4
affected

6.2.3.3
affected

6.2.3.8
affected

6.4.0.6
affected

6.2.3.11
affected

6.2.3.12
affected

6.2.3.13
affected

6.4.0.7
affected

6.4.0.8
affected

6.6.0
affected

6.4.0.9
affected

6.2.3.16
affected

6.6.0.1
affected

6.6.1
affected

6.4.0.10
affected

6.7.0
affected

6.4.0.11
affected

6.6.3
affected

6.7.0.1
affected

6.6.4
affected

6.4.0.12
affected

6.7.0.2
affected

7.0.0
affected

6.2.3.17
affected

7.0.0.1
affected

6.6.5
affected

7.0.1
affected

7.1.0
affected

6.4.0.13
affected

6.6.5.1
affected

6.2.3.18
affected

7.0.1.1
affected

6.7.0.3
affected

6.4.0.14
affected

7.1.0.1
affected

6.6.5.2
affected

7.0.2
affected

6.4.0.15
affected

7.2.0
affected

7.0.2.1
affected

7.0.3
affected

6.6.7
affected

7.1.0.2
affected

7.2.0.1
affected

7.0.4
affected

7.2.1
affected

7.0.5
affected

6.4.0.16
affected

7.3.0
affected

7.2.2
affected

7.2.3
affected

6.6.7.1
affected

7.3.1
affected

7.1.0.3
affected

7.2.4
affected

7.0.6
affected

7.2.5
affected

7.2.4.1
affected

7.3.1.1
affected

7.4.0
affected

6.4.0.17
affected

7.0.6.1
affected

7.2.5.1
affected

7.4.1
affected

7.4.1.1
affected

6.6.7.2
affected

7.2.5.2
affected

7.3.1.2
affected

References

sec.cloudapps.cisco.com/...Advisory/cisco-sa-asa-vpn-nyH3fhp (cisco-sa-asa-vpn-nyH3fhp)

sec.cloudapps.cisco.com/...dvisory/cisco-sa-fmc-xss-M446vbEO

sec.cloudapps.cisco.com/...enter/viewErp.x?alertId=ERP-75300 (Cisco Event Response: October 2024 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication)

cve.org (CVE-2024-20331)

nvd.nist.gov (CVE-2024-20331)

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