CVE-2021-34790
5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitability: 3.9 / Impact: 1.4
Source: NVD
Description
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.
Affected (23)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 9.8.4.40 | |
| From 9.12.0 to 9.12.4.29 | |
| Before 6.4.0.12 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5512 X | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5505 | All versions |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5515 X | All versions |
Configuration E
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5525 X | All versions |
Configuration F
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5545 X | All versions |
Configuration G
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5555 X | All versions |
Configuration H
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5580 | All versions |
Configuration I
| Vulnerable Software | Affected Versions |
|---|---|
| Version 009.008 |
| Running on/with | Platform Versions |
|---|---|
Cisco Asa 5585 X | All versions |
Related CWEs
CWE-20
Improper Input Validation
The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.
CWE-358
Improperly Implemented Security Check for Standard
The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.
References (2)
Source: psirt@cisco.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Timeline
No history available yet.