What is CVE-2022-21159?

CVE-2022-21159 is a high-severity vulnerability in Mz-automation Libiec61850, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2022-04-15.

How severe is CVE-2022-21159?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mz-automation Libiec61850

CVE-2022-21159

A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence…

EPSS: 0.017 (75.0th 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

Mz-automation Libiec61850 — versions 1.5.0
Mz Automation Gmbh Libiec61850 — versions 1.5.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
talos-cna@cisco.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-21159?: CVE-2022-21159 is a high-severity vulnerability in Mz-automation Libiec61850, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2022-04-15.
How severe is CVE-2022-21159?: High severity. CVSS v3 base score is 7.5 out of 10.