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CVE Record

CVE-2020-13352: Private group info is leaked leaked in GitLab CE/EE version 10.2 and above, when the project is moved from...

Private group info is leaked leaked in GitLab CE/EE version 10.2 and above, when the project is moved from private to public group. Affected versions are: >=10.2, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

LowCVSS 3.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2020-13352 is a low-severity GitLab CE/EE information leak. In affected versions, moving a project from a private group to a public group could expose private group information. The issue affects confidentiality only; the cited CVSS vector shows no integrity or availability impact.

Executive priority

Handle through normal patch governance unless the organization frequently changes GitLab project visibility or hosts sensitive private group names. The business risk is limited disclosure, not code execution, service outage, or data modification.

Technical view

Affected GitLab CE/EE versions are >=10.2 before 13.3.9, 13.4 before 13.4.5, and 13.5 before 13.5.2. The weakness is triggered by a project visibility or namespace move scenario and results in limited disclosure of private group information. CVSS 3.1 score is 3.7 with high attack complexity and no privileges required.

Likely exposure

Exposure is limited to organizations running affected self-managed GitLab CE/EE versions where projects were moved from private groups into public groups. GitLab.com historical exposure cannot be determined from the supplied bundle.

Exploitation context

The bundle does not show CISA KEV listing or any cited evidence of active exploitation. Public issue and HackerOne references exist, so defenders should assume the behavior was publicly described, but not necessarily exploited in the wild.

Researcher notes

No CWE is listed in the supplied data. The CVSS vector is AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N. Evidence supports a narrow confidentiality issue tied to GitLab project moves; the bundle does not provide exploit prevalence or operational indicators.

Mitigation direction

  • Upgrade GitLab CE/EE to a version outside the affected ranges.
  • Use vendor guidance before applying any workaround or backport decision.
  • Review projects moved from private groups to public groups.
  • Limit public visibility for projects with sensitive historical group context.

Validation and detection

  • Inventory GitLab CE/EE versions and compare them with the affected ranges.
  • Identify projects transferred from private groups into public groups.
  • Review public project and group metadata for unintended private group information.
  • Confirm upgraded instances are at 13.3.9, 13.4.5, 13.5.2, or later supported releases.
Prepared
Confidence
high
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-13352 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
3.7 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
3.7CVSS 3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N2.21.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.7Low
CVSS 3.1 vector shape for CVE-2020-13352Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GitLabGitLab CE/EE>=10.2, <13.3.9, >=13.4, <13.4.5, >=13.5, <13.5.2Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.