Security readout for executives and security teams
Plain-English summary
This Moodle issue could let a student add database module entries to groups they were not a member of. The business impact is mainly integrity and trust in group-based coursework or collaboration. Public sources do not provide a CVSS score or evidence of active exploitation.
Executive priority
Treat this as a moderate integrity risk for education environments using Moodle groups. It is not presented as a broad unauthenticated compromise, but it can undermine course controls and records. Upgrade during the next normal security maintenance window, sooner for high-trust academic workflows.
Technical view
The CVE describes improper group-boundary enforcement in some Moodle database module web services. Affected releases include 3.9 through 3.9.2, 3.8 through 3.8.5, 3.7 through 3.7.8, 3.5 through 3.5.14, and earlier unsupported versions. The source bundle lists CWE-89, but the description reads as an authorization issue.
Likely exposure
Exposure is likely limited to Moodle deployments running the affected versions, especially where database module activities, groups, and web services are used. Sites already on Moodle 3.9.3, 3.8.6, 3.7.9, 3.5.15, or 3.10 are described as fixed.
Exploitation context
No provided source states active exploitation, and the CVE is not listed as KEV. The described abuse requires a student context and access to affected database module web services, with impact focused on adding entries across unauthorized group boundaries.
Researcher notes
Evidence is sparse: no CVSS vector is provided, and the CWE label appears inconsistent with the plain-language description. Validation should focus on affected Moodle versions, database module use, group mode, and web-service exposure, not assumed SQL injection behavior.
Mitigation direction
- Upgrade Moodle to a fixed release listed by Moodle or the package vendor.
- Prioritize unsupported Moodle versions for replacement or isolation.
- Review Moodle vendor guidance before applying compensating controls.
- Restrict unnecessary Moodle web services until upgrade status is confirmed.
- Notify course owners where group-based database activities are business-critical.
Validation and detection
- Inventory Moodle versions and flag affected branches.
- Confirm the installed release is 3.9.3, 3.8.6, 3.7.9, 3.5.15, 3.10, or later.
- Identify courses using database module activities with groups.
- Review recent database activity entries for group-membership inconsistencies.
- Check whether Moodle web services are enabled for affected contexts.
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.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase 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-2020-25700 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://bugzilla.redhat.com/show_bug.cgi?id=1895427CVE reference · x_refsource_MISC
- https://moodle.org/mod/forum/discuss.php?d=413938CVE reference · x_refsource_MISC
- FEDORA-2020-304aa2c365CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-db73e37548CVE reference · vendor-advisory, x_refsource_FEDORA
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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.