Security readout for executives and security teams
Plain-English summary
GLPI versions before 9.5.3 had a broken access-control issue in ajax/comments.php. The reported impact is serious: an attacker could read data from database tables, including tickets and users. That can expose operational, customer, and identity data stored in the service desk platform.
Executive priority
Prioritize remediation for any GLPI instance below 9.5.3, especially externally reachable systems. Even without confirmed exploitation, the reported ability to read ticket and user database data creates material confidentiality risk.
Technical view
CVE-2020-27662 is described as an IDOR in GLPI ajax/comments.php before 9.5.3. The source states it can allow reading data from arbitrary database tables such as glpi_tickets and glpi_users. No CVSS, CWE, exploit details, or authentication conditions are provided in the bundle.
Likely exposure
Organizations running GLPI before 9.5.3 are the relevant exposure group. Risk is higher where GLPI is reachable by untrusted users or stores sensitive ticket, user, asset, or operational data.
Exploitation context
The bundle does not show CISA KEV listing or cite active exploitation. Public detail is limited to the GLPI advisory and CVE records, so exploitation status, prerequisites, and exploit maturity should be treated as unconfirmed.
Researcher notes
The key unknowns are authentication requirements, exact affected configurations, and exploit availability. Base validation on version evidence, exposed GLPI paths, and log review. Avoid assuming broader products or versions beyond GLPI before 9.5.3.
Mitigation direction
- Upgrade GLPI to 9.5.3 or later.
- Review the GLPI advisory for any supported vendor workarounds.
- Restrict GLPI access to trusted networks where feasible.
- Audit exposed GLPI instances for sensitive data retention.
Validation and detection
- Inventory all GLPI instances and record exact versions.
- Confirm no production instance runs earlier than 9.5.3.
- Review web logs for unusual ajax/comments.php access.
- Check whether GLPI contains sensitive tickets or user records.
- Document compensating controls for any unpatched instance.
Public sources used
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.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-27662 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/glpi-project/glpi/security/advisories/GHSA-wq38-gwxp-8p5pCVE reference · x_refsource_MISC
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.