How severe is CVE-2021-22243?

CVE-2021-22243 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-22243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22243?

CVE-2021-22243 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22243?

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

When was CVE-2021-22243 published?

CVE-2021-22243 was published on 2021-08-25 and last updated on 2026-06-17.

CVE-2021-22243

CVE-2021-22243 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 5.0. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 4.0
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Gitlab
Published: 2021-08-25
Last modified: 2026-06-17

Description

Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.

Frequently asked questions

What is CVE-2021-22243?: Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.
How severe is CVE-2021-22243?: CVE-2021-22243 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-22243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22243?: CVE-2021-22243 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22243 published?: CVE-2021-22243 was published on 2021-08-25 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

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