What is CVE-2020-3548?

CVE-2020-3548 is a medium-severity vulnerability in Cisco Secure Email, classified under Inefficient Algorithmic Complexity. CVSS score: 5.3/10. Published 2024-11-18.

How severe is CVE-2020-3548?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco Secure Email

CVE-2020-3548

A vulnerability in the Transport Layer Security (TLS) protocol implementation of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause high CPU usage on an affect…

EPSS: 0.004 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/RL:X/RC:X/E:X.

Affected products

Cisco Secure Email — versions N/A

Weakness classification (CWE)

CWE-407 — Inefficient Algorithmic Complexity

References

cisco-sa-esa-tls-dos-xW53TBhb

Frequently asked questions

What is CVE-2020-3548?: CVE-2020-3548 is a medium-severity vulnerability in Cisco Secure Email, classified under Inefficient Algorithmic Complexity. CVSS score: 5.3/10. Published 2024-11-18.
How severe is CVE-2020-3548?: Medium severity. CVSS v3 base score is 5.3 out of 10.