CVE-2020-5197Network attack vector

Private project-name disclosure via unfiltered notification settings

Published Jan 13, 2020 · Updated Aug 4, 2024

Incorrect access control in GitLab CE and EE 5.1 through 12.6.1 allows remote authenticated users to disclose private project names. The notification settings response includes projects for which the requesting user lacks read access instead of filtering those entries. Any authenticated account can retrieve names of otherwise inaccessible private projects; no content modification or service interruption is reported.

CVSS severity4.3
Medium
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect access control in GitLab CE and EE 5.1 through 12.6.1 allows remote authenticated users to disclose private project names. The notification settings response includes projects for which the requesting user lacks read access instead of filtering those entries. Any authenticated account can retrieve names of otherwise inaccessible private projects; no content modification or service interruption is reported.

The record

CVE
CVE-2020-5197
Published
Jan 13, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.3NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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