How severe is CVE-2021-3641?

CVE-2021-3641 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2021-3641 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3641?

CVE-2021-3641 affects Bitdefender Gravityzone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3641?

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

When was CVE-2021-3641 published?

CVE-2021-3641 was published on 2021-11-09 and last updated on 2026-06-17.

CVE-2021-3641

CVE-2021-3641 is a medium-severity vulnerability in Bitdefender Gravityzone with a CVSS 3.x base score of 6.1. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 3.6
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Bitdefender Gravityzone
Published: 2021-11-09
Last modified: 2026-06-17

Description

Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.

Frequently asked questions

What is CVE-2021-3641?: Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.
How severe is CVE-2021-3641?: CVE-2021-3641 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2021-3641 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3641?: CVE-2021-3641 affects Bitdefender Gravityzone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3641?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3641 published?: CVE-2021-3641 was published on 2021-11-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*

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