Security readout for executives and security teams
Plain-English summary
A low-privileged GitLab user could point a CI/CD Component to an incorrect path and trigger an infinite loop that exhausts server memory. The business impact is service outage, not data theft or modification, but it can disrupt development and deployment pipelines on affected self-managed GitLab versions.
Executive priority
Treat this as a timely availability fix for GitLab-dependent engineering and deployment operations. It is not described as a confidentiality breach, but a low-privileged denial-of-service path can still interrupt software delivery.
Technical view
CVE-2023-5825 is CWE-835 in GitLab CE/EE. A CI/CD Component path-handling flaw can enter an infinite loop, consuming available memory and causing denial of service. Affected ranges are 16.2 before 16.3.6, 16.4 before 16.4.2, and 16.5 before 16.5.1. CVSS 3.1 score is 6.5.
Likely exposure
Exposure is most likely in self-managed GitLab CE/EE environments running the affected 16.2, 16.4, or 16.5 release lines where low-privileged users can interact with CI/CD Components. GitLab instances outside those ranges are listed as unaffected by default in the supplied CVE data.
Exploitation context
The provided CVE data says exploitation requires network access and low privileges, with no user interaction. It affects availability only. KEV is false, and the supplied sources do not support claims of active exploitation in the wild.
Researcher notes
Public technical references in the bundle include GitLab and HackerOne entries marked permission-required, so independent reproduction detail is limited here. Analysis is grounded in the CVE description, CVSS vector, affected ranges, CWE-835 classification, and KEV=false signal only.
Mitigation direction
- Upgrade GitLab 16.2 to 16.3.6 or later supported versions.
- Upgrade GitLab 16.4 to 16.4.2 or later supported versions.
- Upgrade GitLab 16.5 to 16.5.1 or later supported versions.
- Review GitLab vendor guidance for any environment-specific hardening.
- Limit CI/CD Component use to trusted users where operationally feasible.
Validation and detection
- Inventory self-managed GitLab CE/EE versions across production and development environments.
- Confirm no instance runs affected versions before the fixed releases.
- Review whether low-privileged users can configure CI/CD Components.
- Check GitLab monitoring for abnormal memory exhaustion or repeated service restarts.
- Track remediation evidence in vulnerability management records.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-835: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-5825 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GitLab Issue #428984CVE reference · issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2218566CVE reference · technical-description, exploit
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Loop with Unreachable Exit Condition ('Infinite Loop')
Loop with Unreachable Exit Condition ('Infinite Loop') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.