CVE-2021-34792
7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD
Description
A vulnerability in the memory management of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper resource management when connection rates are high. An attacker could exploit this vulnerability by opening a significant number of connections on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Affected (41)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| 9.12.0 ≤ version < 9.12.4.29 | |
| 6.4.0 ≤ version < 6.4.0.13 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5512 X | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5505 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5515 X | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5525 X | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5545 X | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5555 X | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5580 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.014(001.150) |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5585 X | All versions |
Related CWEs
CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CWE-401
Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.
References (2)
Source: psirt@cisco.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.