This security bulletin contains one medium risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU57754
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-34792
CWE-ID: CWE-400 - Uncontrolled Resource Consumption ('Resource Exhaustion')
Exploit availability: No
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper resource management when handling high connection rates. A remote attacker can establish a significant number of connections on an affected device and perform a denial of service attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco Adaptive Security Appliance (ASA) Software: 9.14, 9.14.1.10, 9.14.1.15, 9.14.1.19, 9.14.1.30, 9.14.2.8, 9.14.2.13, 9.14.2.15, 9.15.1.7, 9.15.1.10, 9.15.1.15, 9.16
Cisco Firepower Threat Defense (FTD): 6.6.0, 6.6.0.1, 6.6.1, 6.6.4, 6.7.0, 6.7.0.1, 6.7.0.2, 7.0.0
ASA 5500-X Series Firewalls: All versions
CPE2.3
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-dos-Unk689XYhttp://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx79526
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 ..
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