Security readout for executives and security teams
Plain-English summary
CVE-2019-25545 is a local denial-of-service issue in Lizardsystems Terminal Services Manager 3.2.1 Build 247. A very long computer name value can crash the application when the saved server entry is accessed. This affects availability of the management tool, not the managed servers themselves based on the provided sources.
Executive priority
Treat as a targeted availability risk to administrators using this legacy management tool. Prioritize inventory and access control, then check vendor guidance. It is not presented as remote code execution or active exploitation in the supplied sources.
Technical view
The issue is described as a local buffer overflow, CWE-787, in the “Computer name or IP address” field during computer addition. The CVSS 4.0 vector is local, low complexity, no privileges, no user interaction, with high vulnerable-system availability impact and no stated confidentiality or integrity impact.
Likely exposure
Exposure is limited to systems where Terminal Services Manager 3.2.1 Build 247 is installed and reachable by a local user or process able to add or modify server entries. The sources do not identify broader versions or network-reachable exploitation.
Exploitation context
A public ExploitDB entry is referenced, so proof-of-concept information appears publicly available. The CVE is not marked as KEV, and the supplied sources do not state active exploitation in the wild.
Researcher notes
Evidence is narrow: the affected product and version are specified, but no vendor fix details are included in the bundle. Public exploit reference exists, but avoid assuming in-the-wild use. Validate impact in a controlled, authorized environment without weaponizing the input.
Mitigation direction
- Inventory installations of Terminal Services Manager and identify version 3.2.1 Build 247.
- Restrict local access to systems running the affected management tool.
- Avoid entering untrusted or unusually long computer-name values in the application.
- Check Lizardsystems guidance for updates, fixed versions, or vendor-recommended workarounds.
- Remove or disable the tool where it is unnecessary.
Validation and detection
- Confirm whether Terminal Services Manager 3.2.1 Build 247 is installed.
- Review saved server entries for abnormal or excessive computer-name values.
- Check user access controls on workstations or servers hosting the tool.
- Monitor application crashes associated with opening saved server entries.
- Compare installed versions against vendor or advisory information.
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-787: 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-2019-25545 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
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46911CVE reference · exploit
- Official Product HomepageCVE reference · product
- VulnCheck Advisory: Terminal Services Manager 3.2.1 Local Buffer Overflow Denial of ServiceCVE 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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.