Denial of service in Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-20927 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco Adaptive Security Appliance (ASA) Hardware solutions / Security hardware applicances Cisco Firepower Threat Defense (FTD) Hardware solutions / Security hardware applicances Cisco ASA 5500-X Series Hardware solutions / Security hardware applicances Firepower 9300 Series Security Appliances Hardware solutions / Security hardware applicances Firepower 4100 Series Security Appliances Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU69199
Risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-20927
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the SSL/TLS client. A remote user can trigger memory corruption and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Adaptive Security Appliance (ASA): 9.6.0.128 - 9.17.1
Cisco Firepower Threat Defense (FTD): 9.6.0.128 - 9.17.1
Cisco ASA 5500-X Series: All versions
Firepower 4100 Series Security Appliances: All versions
Firepower 9300 Series Security Appliances: All versions
CPE2.3- cpe:2.3:h:cisco_systems:asa:9.6.0.128:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.3:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.5:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.10:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.11:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.12:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.1.19:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.2:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:asa:9.6.2.1:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_ftd:9.6.0.128:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_asa_5500-x_series:*:*:*:*:*:asa:*:*
- cpe:2.3:h:cisco_systems:firepower_4100_series_security_appliances:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:firepower_9300_series_security_appliances:*:*:*:*:*:*:*:*
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
