Authentication Bypass by Spoofing in Cisco Adaptive Security Appliance and Firepower Threat Defense Software



Published: 2024-10-25
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-20384
CWE-ID CWE-290
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Cisco Adaptive Security Appliance (ASA)
Hardware solutions / Security hardware applicances

Cisco Firepower Threat Defense (FTD)
Hardware solutions / Security hardware applicances

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Authentication Bypass by Spoofing

EUVDB-ID: #VU99340

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20384

CWE-ID: CWE-290 - Authentication Bypass by Spoofing

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a logic error in populating group ACLs within the Network Service Group (NSG) feature. A remote attacker can bypass configured ACL rules.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Adaptive Security Appliance (ASA): 7.0.0 - 9.20.2.22

Cisco Firepower Threat Defense (FTD): 7.0.0 - 9.20.2.22

CPE2.3 External links

http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-nsgacl-bypass-77XnEAsL


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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