7.5
CVE-2022-20730
- EPSS 0.94%
- Veröffentlicht 03.05.2022 04:15:09
- Zuletzt bearbeitet 11.08.2026 19:37:30
- Erkennungen
Cisco Firepower Threat Defense Software Security Intelligence DNS Feed Bypass Vulnerability
A vulnerability in the Security Intelligence feed feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the Security Intelligence DNS feed. This vulnerability is due to incorrect feed update processing. An attacker could exploit this vulnerability by sending traffic through an affected device that should be blocked by the affected device. A successful exploit could allow the attacker to bypass device controls and successfully send traffic to devices that are expected to be protected by the affected device.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Secure Firewall Threat Defense Version < 6.4.0.15
Cisco ≫ Secure Firewall Threat Defense Version >= 6.5.0 < 6.6.5.2
Cisco ≫ Secure Firewall Threat Defense Version >= 6.7.0 < 7.0.2
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.94% | 0.57 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
|
| NIST | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:P/A:N
|
| Cisco PSIRT | 4 | 2.2 | 1.4 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
|
CWE-241 Improper Handling of Unexpected Data Type
The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-sidns-bypass-3PzA5pO