Vulnerability in Cisco Email Security Appliance (Esa)
CVE-2022-20653
A vulnerability in the DNS-based Authentication of Named Entities (DANE) email verification component of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of s…
EPSS: 0.010 (77.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Email Security Appliance (Esa) — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 20220217 Cisco Email Security Appliance DNS Verification Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)
Frequently asked questions
- What is CVE-2022-20653?
- CVE-2022-20653 is a high-severity vulnerability in Cisco Email Security Appliance (Esa), classified under CWE-399. CVSS score: 7.5/10. Published 2022-02-17.
- How severe is CVE-2022-20653?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-20653 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.