Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities (Cisco Cisco Adaptive Security Appliance (ASA) Software)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.15 % · percentile 67 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
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.
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N | cisco |
| CVSS 3.1 | MEDIUM 4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N | NVD · psirt@cisco.com (Secondary) |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-21441
- GCVE · GCVE-0-2021-34791
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*< 9.8.4.40cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*< 6.4.0.12cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*≥ 6.5.0 < 6.6.5cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*≥ 6.7.0 < 6.7.0.2cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.12.0 < 9.12.4.18cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.13.0 < 9.14.2.15cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*≥ 9.15.0 < 9.15.1.15cpe:2.3:o:cisco:asa_5512-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5512-x_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5505_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5505_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5515-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5515-x_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5525-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5525-x_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5545-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5545-x_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5555-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5555-x_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5580_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5580_firmware:009.015:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5585-x_firmware:009.008:*:*:*:*:*:*:*cpe:2.3:o:cisco:asa_5585-x_firmware:009.015:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Adaptive Security Appliance (ASA) Software | affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |