Security readout for executives and security teams
Plain-English summary
OpenKM Community Edition 6.3.10 and earlier can process XML in an unsafe way. An authenticated attacker could abuse this to make the server read external XML entities, potentially exposing sensitive server-side data and causing limited availability impact.
Executive priority
Treat as high priority for affected OpenKM Community systems, especially those exposed to many users or the internet. The main business concern is sensitive data disclosure from the document management server.
Technical view
The issue is CWE-611 XXE in XMLTextExtractor.java, where OpenKM used XMLReader without required security flags. CVSS 3.1 is 8.5: network reachable, low complexity, low privileges required, no user interaction, high confidentiality impact, and low availability impact.
Likely exposure
Organizations running OpenKM Document Management Community Edition 6.3.10 or earlier are the indicated exposure group. The bundle does not identify CPEs, hosted variants, Enterprise Edition impact, or a confirmed fixed version.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source confirms active exploitation. Exploitation requires low privileges, so risk is higher where many users can upload or submit documents for server-side text extraction.
Researcher notes
Evidence supports XXE in OpenKM Community Edition 6.3.10 and before. Sources do not provide exploit details, CPEs, active exploitation evidence, or a named fixed release, so validation should stay tied to version and parser behavior.
Mitigation direction
- Inventory OpenKM Community Edition deployments and identify versions 6.3.10 or earlier.
- Review OpenKM and INCIBE guidance for fixed versions or vendor-approved remediation.
- Restrict document upload and XML-processing access to trusted users until remediated.
- Limit server egress where feasible to reduce XXE-related external entity retrieval risk.
- Prioritize remediation on internet-facing or broadly accessible OpenKM instances.
Validation and detection
- Confirm installed OpenKM edition and version on each deployment.
- Identify whether XMLTextExtractor.java uses XMLReader with external entity protections enabled.
- Review application logs for unusual document ingestion by low-privilege accounts.
- Verify access controls around upload, import, and text extraction workflows.
- Retest after remediation to confirm unsafe external entity processing is blocked.
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-611: 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-2022-2131 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
- High
- CVSS
- 8.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
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:C/C:H/I:N/A:L3.14.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.5HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.incibe-cert.es/en/early-warning/security-advisories/openkm-xxe-injectionCVE reference · x_refsource_CONFIRM
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 Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
