What is CVE-2021-45819?

CVE-2021-45819 is a medium-severity vulnerability in Wordline Hidccemonitorsvc, classified under Unquoted Search Path or Element. CVSS score: 6.4/10. Published 2022-03-03.

How severe is CVE-2021-45819?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Vulnerability in Wordline Hidccemonitorsvc

CVE-2021-45819

Wordline HIDCCEMonitorSVC before v5.2.4.3 contains an unquoted service path which allows attackers to escalate privileges to the system level.

Published 2022-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (10.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Wordline Hidccemonitorsvc

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

hansesecure.de/2021/12/vulnerability-wordline/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-45819?: CVE-2021-45819 is a medium-severity vulnerability in Wordline Hidccemonitorsvc, classified under Unquoted Search Path or Element. CVSS score: 6.4/10. Published 2022-03-03.
How severe is CVE-2021-45819?: Medium severity. CVSS v3 base score is 6.4 out of 10.