CVE-2020-13261Network attack vector

Administrator credential disclosure via HTML source

Published Jun 19, 2020 · Updated Aug 4, 2024

Information disclosure in GitLab CE/EE 12.6 through 13.0.1 allows remote authenticated users to view Amazon EKS credentials via HTML source. GitLab rendered EKS integration credentials into page HTML that other administrators could inspect, exposing cloud access secrets without altering data or interrupting service. Access requires an authenticated GitLab administrator and an instance configured with Amazon EKS integration credentials.

CVSS severity5.3
Medium
EPSS probability0.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in GitLab CE/EE 12.6 through 13.0.1 allows remote authenticated users to view Amazon EKS credentials via HTML source. GitLab rendered EKS integration credentials into page HTML that other administrators could inspect, exposing cloud access secrets without altering data or interrupting service. Access requires an authenticated GitLab administrator and an instance configured with Amazon EKS integration credentials.

The record

CVE
CVE-2020-13261
Published
Jun 19, 2020
Updated
Aug 4, 2024
Vendor
GitLab
Product
GitLab
Classifications
CWE-200, T1555.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 19, 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>=12.10, <12.10.7
  2. Affected versionversion=>=12.6, <12.9.8
  3. Affected versionversion=>=13.0, <13.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=>=12.10, <12.10.7; version=>=12.6, <12.9.8; version=>=13.0, <13.0.1

Published CVSS scores

2.7NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
5.3GitLab Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/C:P/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
T1555.003Credentials from Web Browsers

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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