Security readout for executives and security teams
Plain-English summary
PHOENIX CONTACT PC WORX SRT through version 1.14 was reported with insecure default path permissions that can let a local user gain higher privileges. This is not a remote entry-point issue based on the provided sources, but it can worsen the impact of any existing local compromise on affected engineering systems.
Executive priority
Treat this as a targeted remediation item for engineering or industrial support workstations. It is less urgent than a proven remote code execution issue, but it can materially increase damage after a local foothold, especially where engineering systems are shared or poorly segmented.
Technical view
CVE-2020-10939 describes local privilege escalation caused by insecure default path permissions in PC WORX SRT through 1.14. The source bundle provides no CVSS vector, CWE mapping, patch version, or detailed affected platform information. The only confirmed reference is the VDE advisory.
Likely exposure
Exposure is likely limited to environments running PHOENIX CONTACT PC WORX SRT version 1.14 or earlier. Because the source bundle lists affected CPE data as unavailable, asset owners should verify product presence directly rather than relying only on scanner coverage.
Exploitation context
The provided sources support local privilege escalation, not remote exploitation. The CVE is not marked as CISA KEV, and the bundle provides no evidence of active exploitation or public exploit use. Risk depends on whether untrusted or compromised local users can access affected hosts.
Researcher notes
The public bundle is sparse: no CVSS, CWE, detailed ACL path, exploit status, or explicit fix is included. Analysis should stay anchored to insecure default path permissions and local privilege escalation in PC WORX SRT through 1.14 until vendor advisory details are reviewed.
Mitigation direction
- Identify any PC WORX SRT installations and record installed versions.
- Check the VDE/Phoenix Contact advisory for fixed versions or hardening guidance.
- Restrict interactive and administrative access to affected engineering workstations.
- Review and tighten filesystem permissions on PC WORX SRT installation paths.
- Prioritize remediation on shared, internet-adjacent, or weakly controlled systems.
Validation and detection
- Confirm whether PC WORX SRT version 1.14 or earlier is installed.
- Inspect default path permissions for unsafe write access by non-administrative users.
- Verify only trusted administrators can modify application binaries and directories.
- Review endpoint telemetry for unexpected local privilege changes on affected hosts.
- Document scanner limitations because CPE data is unavailable in the bundle.
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.
Privilege 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-2020-10939 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://cert.vde.com/en-us/advisories/vde-2020-012CVE 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.