How severe is CVE-2021-45819?

CVE-2021-45819 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-45819 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45819?

CVE-2021-45819 affects Wordline Hidccemonitorsvc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45819?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45819 published?

CVE-2021-45819 was published on 2022-03-03 and last updated on 2026-06-17.

CVE-2021-45819

CVE-2021-45819 is a medium-severity vulnerability in Wordline Hidccemonitorsvc with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Severity: Medium (CVSS 3.x base score 6.4)
CVSS v2: 7.2
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-428
Affected product: Wordline Hidccemonitorsvc
Published: 2022-03-03
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2021-45819?: CVE-2021-45819 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-45819 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45819?: CVE-2021-45819 affects Wordline Hidccemonitorsvc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45819 published?: CVE-2021-45819 was published on 2022-03-03 and last updated on 2026-06-17.

References

https://hansesecure.de/2021/12/vulnerability-wordline/?lang=en

Affected products (1)

cpe:2.3:a:wordline:hidccemonitorsvc:*:*:*:*:*:*:*:*

Other CWE-428 vulnerabilities

CVE-2022-50935 — Critical (CVSS 9.8): Flame II HSPA USB Modem contains an unquoted service path vulnerability in its Windows service configuration. Attackers…
CVE-2023-38408 — Critical (CVSS 9.8): The PKCS#11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to…
CVE-2022-36344 — Critical (CVSS 9.8): An unquoted search path vulnerability exists in 'JustSystems JUST Online Update for J-License' bundled with multiple…
CVE-2020-9292 — Critical (CVSS 9.8): An unquoted service path vulnerability in the FortiSIEM Windows Agent component may allow an attacker to gain elevated…
CVE-2019-17658 — Critical (CVSS 9.8): An unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and prior…
CVE-2019-8459 — Critical (CVSS 9.8): Check Point Endpoint Security Client for Windows, with the VPN blade, before version E80.83, starts a process without…

Browse all CWE-428 vulnerabilities →