Security readout for executives and security teams
Plain-English summary
Versa Analytics had a privilege escalation flaw where a scheduled job could run root-level work from a script writable by members of the versa group. If an attacker already had that level of local access, they could potentially gain full server control.
Executive priority
Prioritize remediation if Versa Analytics is deployed in production or reachable by administrators, because successful abuse could convert limited local access into root control.
Technical view
CVE-2018-16497 is a CWE-269 improper privilege management issue in Versa Analytics. The reported condition involves cron executing a script as root while that script is writable by users in the versa group. Fixed versions are listed as 16.1R2S11, 20.2.2, 21.1.1, and 21.2.1.
Likely exposure
Exposure appears limited to Versa Analytics deployments below the listed fixed versions, especially where non-administrative users or compromised processes can write as members of the versa group.
Exploitation context
The source bundle does not show KEV listing or active exploitation. Exploitation requires prior access sufficient to modify the affected root-run scheduled script through versa group write permissions.
Researcher notes
Public evidence is narrow: the CVE description and HackerOne reference describe the permission model issue and fixed versions, but no CVSS vector, detailed affected range, or active exploitation evidence is provided.
Mitigation direction
- Upgrade Versa Analytics to a listed fixed version or later vendor-supported release.
- Review Versa vendor guidance and the HackerOne report for deployment-specific remediation details.
- Restrict versa group membership to explicitly authorized administrators only.
- Remove group write access from scripts executed by root cron jobs where vendor guidance allows.
- Enable monitoring for unexpected changes to scheduled-job scripts and ownership.
Validation and detection
- Inventory all Versa Analytics versions and compare them against the fixed-version list.
- Review root cron jobs for scripts writable by the versa group.
- Confirm versa group membership is minimal and business-justified.
- Check file integrity and audit logs for unexpected changes to scheduled-job scripts.
- Document remediation status for each Versa Analytics appliance or server.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-16497 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://hackerone.com/reports/1168194CVE 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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.