Security readout for executives and security teams
Plain-English summary
TeamSpeak 3.5.6 reportedly installs files with unsafe permissions. A local user could replace TeamSpeak executable files with malicious binaries, potentially leading to Administrator or SYSTEM-level control when those files run. This is not a remote internet attack by itself, but it can turn limited local access into full machine compromise.
Executive priority
Prioritize remediation on shared or multi-user Windows systems and any device where a local compromise would affect sensitive data or operations. Treat this as a privilege-escalation risk, not a broad remote compromise event.
Technical view
CVE-2022-50931 is a CWE-732 insecure file permissions issue in TeamSpeak 3.5.6. The CVSS 4.0 vector is AV:L/AC:L/PR:L/UI:N with high confidentiality, integrity, and availability impact. Public references include a VulnCheck advisory and Exploit-DB entry. The provided sources do not identify a specific vendor patch version.
Likely exposure
Exposure is likely limited to endpoints or servers with TeamSpeak 3.5.6 installed and accessible to lower-privileged local users. Systems with shared user access, unmanaged desktops, labs, or gaming/community machines are more relevant than locked-down single-user devices.
Exploitation context
Public exploit information exists, but the source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires local low-privileged access and depends on replacing writable executables, so it is most concerning after phishing, insider access, or initial foothold.
Researcher notes
The record names TeamSpeak 3.5.6 only. Evidence supports local privilege escalation through insecure file permissions, but not remote exploitation or active campaigns. Do not assume other versions are affected unless vendor or advisory sources confirm them.
Mitigation direction
- Inventory systems for TeamSpeak 3.5.6 installations.
- Check TeamSpeak vendor guidance and downloads for supported replacement versions.
- Remove TeamSpeak where it is not business-required.
- Restrict local user access on shared systems running TeamSpeak.
- Review installation directory permissions for unsafe non-admin write access.
- Monitor for unexpected changes to TeamSpeak executable files.
Validation and detection
- Confirm installed TeamSpeak version on managed endpoints.
- Inspect TeamSpeak installation directories for non-admin modify permissions.
- Verify executable files have not been replaced or tampered with.
- Review endpoint alerts for privilege escalation involving TeamSpeak paths.
- Document exceptions where TeamSpeak must remain installed.
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-732: 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 lookupCVE-2022-50931 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 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50743CVE reference · exploit
- TeamSpeak Official Vendor HomepageCVE reference · product
- TeamSpeak Downloads PageCVE reference · product
- VulnCheck Advisory: TeamSpeak 3.5.6 - Insecure File PermissionsCVE reference · third-party-advisory
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.