Path traversal in Cisco FXOS Software
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-20234 |
| CWE-ID | CWE-22 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco FXOS Operating systems & Components / Operating system Firepower 1000 Series Appliances Hardware solutions / Other hardware appliances Firepower 2100 Series Security Appliances Hardware solutions / Routers & switches, VoIP, GSM, etc Firepower 4100 Series Security Appliances Hardware solutions / Routers & switches, VoIP, GSM, etc Firepower 9300 Series Security Appliances Hardware solutions / Security hardware applicances Secure Firewall 3100 Server applications / Server solutions for antivurus protection |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Path traversal
EUVDB-ID: #VU79939
Risk: Low
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2023-20234
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the CLI. A remote administrator can send a specially crafted HTTP request and overwrite arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsCisco FXOS: All versions
Firepower 1000 Series Appliances: 6.2.3 - 9.19.1
Firepower 2100 Series Security Appliances: 6.2.3 - 9.19.1
Firepower 4100 Series Security Appliances: 2.0.1.37 - 2.13.0.198
Firepower 9300 Series Security Appliances: 2.0.1.37 - 2.13.0.198
Secure Firewall 3100: 6.2.3 - 9.19.1
CPE2.3- cpe:2.3:o:cisco_systems:cisco_fxos:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_1000_series_appliances:6.2.3:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_1000_series_appliances:6.2.3.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_1000_series_appliances:6.2.3.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_2100_series_security_appliances:6.2.3:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_2100_series_security_appliances:6.2.3.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_2100_series_security_appliances:6.2.3.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_4100_series_security_appliances:2.0.1.37:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_4100_series_security_appliances:2.0.1.68:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_4100_series_security_appliances:2.0.1.86:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_9300_series_security_appliances:2.0.1.37:*:*:*:*:*:*:*
- cpe:2.3:a:cisco_systems:secure_firewall_3100:6.2.3:*:*:*:*:*:*:*
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
