Resource exhaustion in Spice_project Spice

CVE-2021-20201

A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.027 (84.3th 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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-20201?
CVE-2021-20201 is a medium-severity vulnerability in Spice_project Spice, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2021-05-28.
How severe is CVE-2021-20201?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-20201 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.