Security readout for executives and security teams
Plain-English summary
AbsoluteTelnet 11.12 can be crashed by a local user entering an oversized value in the license name field. This is an availability issue for the application, not a reported data theft or remote compromise issue. Business urgency is highest where AbsoluteTelnet is used on shared, sensitive, or operationally important workstations.
Executive priority
Treat as a targeted availability risk, not an emergency remote compromise. Remediate during normal vulnerability cycles unless the software runs on critical shared systems, where earlier action is warranted.
Technical view
CVE-2020-37165 affects Celestial Software AbsoluteTelnet 11.12. The reported flaw is a local denial of service tied to improper handling of oversized license name input, mapped to CWE-120. CVSS 4.0 is 6.7 with local attack vector, low complexity, no privileges, user interaction active, and high vulnerable-system availability impact.
Likely exposure
Exposure appears limited to systems running AbsoluteTelnet 11.12 where a local user can interact with the license name field. The sources do not identify other affected versions, server-side exposure, or network-reachable exploitation.
Exploitation context
A public ExploitDB entry exists, but the source bundle does not show active exploitation and the CVE is not listed as KEV. The reported scenario requires local access and user interaction with the application interface.
Researcher notes
Evidence supports a local application crash in AbsoluteTelnet 11.12 via oversized license name handling. Public exploit information exists, but no cited source confirms in-the-wild exploitation or a vendor patch. Avoid assuming broader version impact without vendor confirmation.
Mitigation direction
- Inventory endpoints for AbsoluteTelnet 11.12.
- Check Celestial Software guidance for fixed versions or vendor-recommended mitigations.
- Upgrade or remove affected installations if a supported fixed version is available.
- Limit local interactive access on systems where the client is business-critical.
- Prioritize remediation on shared jump hosts or operational workstations.
Validation and detection
- Confirm installed AbsoluteTelnet versions from software inventory or endpoint management.
- Review vendor and VulnCheck advisory details for scope updates.
- Verify whether affected systems are shared or accessible by untrusted local users.
- Test crash behavior only in an authorized lab environment.
- Document compensating controls where upgrade status is unclear.
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-120: 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-2020-37165 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
- 6.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.7MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48006CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: AbsoluteTelnet 11.12 - "license name" 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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.