CVE-2021-34787
Description
A vulnerability in the identity-based firewall (IDFW) rule processing feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass security protections. This vulnerability is due to improper handling of network requests by affected devices configured to use object group search. An attacker could exploit this vulnerability by sending a specially crafted network request to an affected device. A successful exploit could allow the attacker to bypass access control list (ACL) rules on the device, bypass security protections, and send network traffic to unauthorized hosts.
How to fix
- cisco adaptive_security_appliance9.8.4.40 or later
- cisco secure_firewall_threat_defense6.4.0.13, 6.6.5, 6.7.0.3, 7.0.1 or later
- cisco adaptive_security_appliance_software9.12.4.25, 9.14.3.1, 9.15.1.17, 9.16.1.28 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco adaptive_security_appliance | v < 9.8.4.40 | 9.8.4.40 |
| cisco secure_firewall_threat_defense | v < 6.4.0.13, 6.5.0 ≤ v < 6.6.5, 6.7.0 ≤ v < 6.7.0.3, 7.0.0 ≤ v < 7.0.1 | 6.4.0.13, 6.6.5, 6.7.0.3, 7.0.1 |
| cisco adaptive_security_appliance_software | 9.9.0 ≤ v < 9.12.4.25, 9.13.0 ≤ v < 9.14.3.1, 9.15.0 ≤ v < 9.15.1.17, 9.16.0 ≤ v < 9.16.1.28 | 9.12.4.25, 9.14.3.1, 9.15.1.17, 9.16.1.28 |
| cisco asa_5512-x_firmware | 009.009, 009.012 | — |
| cisco asa_5505_firmware | 009.009, 009.012 | — |
| cisco asa_5515-x_firmware | 009.009, 009.012 | — |
| cisco asa_5525-x_firmware | 009.009, 009.012 | — |
| cisco asa_5545-x_firmware | 009.009, 009.012 | — |
| cisco asa_5555-x_firmware | 009.009, 009.012 | — |
| cisco asa_5580_firmware | 009.009, 009.012 | — |
| cisco asa_5585-x_firmware | 009.009, 009.012 | — |
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Attack Surface Management
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