Answer in brief
CVE-2020-37165 records a Medium severity (CVSS 6.7) vulnerability in AbsoluteTelnet 11.12 - "license name" Denial of Service. The current sources do not mark it as known exploited. The current feed maps Celestial Software/AbsoluteTelnet (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Celestial Software/AbsoluteTelnet (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Celestial Software/AbsoluteTelnetgeneric | 11.12 | Not reported |
Published upstream
Feb 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 1, 2026
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license name field to trigger an application crash.
Quoted source text, attributed separately from HOL analysis.