What is CVE-2022-20927?

CVE-2022-20927 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.7/10. Published 2022-11-10.

How severe is CVE-2022-20927?

High severity. CVSS v3 base score is 7.7 out of 10.

Buffer overflow in Cisco Adaptive Security Appliance (Asa) Software

CVE-2022-20927

A vulnerability in the SSL/TLS client of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an af…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (41.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Adaptive Security Appliance (Asa) Software — versions 9.14.1, 9.14.1.10, 9.14.1.15
Cisco Firepower Services Software For Asa — versions N/A
Cisco Firepower Threat Defense Software — versions 6.6.0, 6.6.0.1, 6.6.1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cisco-sa-ssl-client-dos-cCrQPkA

Frequently asked questions

What is CVE-2022-20927?: CVE-2022-20927 is a high-severity vulnerability in Cisco Adaptive Security Appliance (Asa) Software, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.7/10. Published 2022-11-10.
How severe is CVE-2022-20927?: High severity. CVSS v3 base score is 7.7 out of 10.