What is CVE-2021-34698?

CVE-2021-34698 is a high-severity vulnerability in Cisco Web Security Appliance (Wsa), classified under Missing Release of Memory after Effective Lifetime. CVSS score: 8.6/10. Published 2021-10-06.

How severe is CVE-2021-34698?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cisco Web Security Appliance (Wsa)

CVE-2021-34698

A vulnerability in the proxy service of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to exhaust system memory and cause a denial of service (DoS) condition on an affected device. This…

EPSS: 0.005 (67.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Web Security Appliance (Wsa) — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

20211006 Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-34698?: CVE-2021-34698 is a high-severity vulnerability in Cisco Web Security Appliance (Wsa), classified under Missing Release of Memory after Effective Lifetime. CVSS score: 8.6/10. Published 2021-10-06.
How severe is CVE-2021-34698?: High severity. CVSS v3 base score is 8.6 out of 10.