CVE-2022-20730: cisco cisco firepower threat defense software
Vulnerability summary
CVE-2022-20730 is a high (CVSS 7.5) vulnerability in cisco cisco firepower threat defense software. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.7% of scored vulnerabilities.
Timeline
- 03-05-2022PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA4.0MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
+0.02 pp
From 0.96% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco firepower threat defense softwaren/a
- secure_firewall_threat_defense< 6.4.0.15 | ≥ 6.5.0, < 6.6.5.2 | ≥ 6.7.0, < 7.0.2
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-sidns-bypass-3PzA5pOVendor AdvisoryX Refsource CISCO