How severe is CVE-2021-41373?

CVE-2021-41373 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-41373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41373?

CVE-2021-41373 affects Microsoft Fslogix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41373?

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

When was CVE-2021-41373 published?

CVE-2021-41373 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2021-41373

CVE-2021-41373 is a medium-severity vulnerability in Microsoft Fslogix with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Fslogix
Published: 2021-11-10
Last modified: 2026-06-17

Description

FSLogix Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2021-41373?: FSLogix Information Disclosure Vulnerability
How severe is CVE-2021-41373?: CVE-2021-41373 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-41373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41373?: CVE-2021-41373 affects Microsoft Fslogix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41373 published?: CVE-2021-41373 was published on 2021-11-10 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41373

Affected products (1)

cpe:2.3:a:microsoft:fslogix:*:*:*:*:*:*:*:*