How severe is CVE-2021-36795?

CVE-2021-36795 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-36795 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36795?

CVE-2021-36795 primarily affects Cohesity Linux Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-36795?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-36795 published?

CVE-2021-36795 was published on 2021-08-06 and last updated on 2026-06-17.

CVE-2021-36795

CVE-2021-36795 is a high-severity vulnerability in Cohesity Linux Agent with a CVSS 3.x base score of 7.8. 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-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.4
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Cohesity Linux Agent
Published: 2021-08-06
Last modified: 2026-06-17

Description

A permission issue in the Cohesity Linux agent may allow privilege escalation in version 6.5.1b to 6.5.1d-hotfix10, 6.6.0a to 6.6.0b-hotfix1. An underprivileged linux user, if certain environment criteria are met, can gain additional privileges.

Frequently asked questions

What is CVE-2021-36795?: A permission issue in the Cohesity Linux agent may allow privilege escalation in version 6.5.1b to 6.5.1d-hotfix10, 6.6.0a to 6.6.0b-hotfix1. An underprivileged linux user, if certain environment criteria are met, can gain additional privileges.
How severe is CVE-2021-36795?: CVE-2021-36795 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-36795 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36795?: CVE-2021-36795 primarily affects Cohesity Linux Agent. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-36795?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-36795 published?: CVE-2021-36795 was published on 2021-08-06 and last updated on 2026-06-17.

References

https://github.com/cohesity/SecAdvisory/blob/master/CVE-2021-36795.md

Affected products (3)

cpe:2.3:a:cohesity:linux_agent:*:*:*:*:*:*:*:*
cpe:2.3:a:cohesity:linux_agent:6.5.1d:hotfix10:*:*:*:*:*:*
cpe:2.3:a:cohesity:linux_agent:6.6.0b:hotfix1:*:*:*:*:*:*

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