Improper access control in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-20264 |
| CWE-ID | CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
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) Improper access control
EUVDB-ID: #VU82682
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-20264
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to insufficient validation of the login URL in the implementation of Security Assertion Markup Language (SAML) 2.0 single sign-on (SSO) for remote access VPN. A remote attacker can trick a victim to access the specially crafted site and intercept the SAML assertion, leading to access to the protected network.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Adaptive Security Appliance (ASA): 9.8.1 - 9.18.3.46
Cisco Firepower Threat Defense (FTD): 9.8.1 - 9.18.3.46
External linksQ & 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.
