CVE-2022-20730
MEDIUMDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Exploit Intelligence
Moderate risk: more likely to be exploited than 58% of all known CVEs.
References
Related Vulnerabilities
Other CWE-241 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-30591 | High | 7.5 | 54% | - | - |
| CVE-2022-29181 | High | 8.2 | 3.3% | - | Fix |
| CVE-2021-39131 | High | 7.5 | 1.9% | - | - |
| CVE-2021-40116 | High | 8.6 | 1.3% | - | Fix |
| CVE-2022-24668 | High | 7.5 | 1.1% | - | Fix |
| CVE-2021-32696 | Low | 3.7 | 1.1% | - | Fix |
Common questions
How do I fix CVE-2022-20730?
Upgrade firepower threat defense to 7.0.2 or later.
Is CVE-2022-20730 being actively exploited?
Not that we know of. CVE-2022-20730 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.94% is the estimated probability that it will be exploited in the next 30 days. That is higher than 58% of all scored CVEs.
How severe is CVE-2022-20730?
CVE-2022-20730 has a CVSS v3 base score of 4.0, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2022-20730 affect?
Published advisories record a fix for firepower threat defense (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2022-20730
Markdown
[](https://tridentstack.com/cve/CVE-2022-20730)HTML
<a href="https://tridentstack.com/cve/CVE-2022-20730"><img src="https://tridentstack.com/cve/badge/CVE-2022-20730.svg" alt="CVE-2022-20730"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.