How severe is CVE-2021-22170?

CVE-2021-22170 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22170?

CVE-2021-22170 affects Gitlab. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22170?

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

When was CVE-2021-22170 published?

CVE-2021-22170 was published on 2021-12-06 and last updated on 2026-06-17.

CVE-2021-22170

CVE-2021-22170 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.2. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v2: 5.0
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Gitlab
Published: 2021-12-06
Last modified: 2026-06-17

Description

Assuming a database breach, nonce reuse issues in GitLab 11.6+ allows an attacker to decrypt some of the database's encrypted content

Frequently asked questions

What is CVE-2021-22170?: Assuming a database breach, nonce reuse issues in GitLab 11.6+ allows an attacker to decrypt some of the database's encrypted content
How severe is CVE-2021-22170?: CVE-2021-22170 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22170?: CVE-2021-22170 affects Gitlab. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22170 published?: CVE-2021-22170 was published on 2021-12-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

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