2026-02-06 23:14CVE-2020-37165VulnCheck
PUBLISHED5.2CWE-120

AbsoluteTelnet 11.12 - "license name" Denial of Service

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.

Problem type

Affected products

Celestial Software

AbsoluteTelnet

11.12 - AFFECTED

References

GitHub Security Advisories

GHSA-7g58-8gc4-vxgv

AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to...

https://github.com/advisories/GHSA-7g58-8gc4-vxgv

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.

JSON source

https://cveawg.mitre.org/api/cve/CVE-2020-37165
Click to expand
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    "assignerShortName": "VulnCheck",
    "dateUpdated": "2026-02-06T23:14:12.517Z",
    "dateReserved": "2026-02-06T12:29:40.137Z",
    "datePublished": "2026-02-06T23:14:12.517Z",
    "state": "PUBLISHED"
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        "dateUpdated": "2026-02-06T23:14:12.517Z"
      },
      "datePublic": "2020-02-05T00:00:00.000Z",
      "title": "AbsoluteTelnet 11.12 - \"license name\" Denial of Service",
      "descriptions": [
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          "lang": "en",
          "value": "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."
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      "affected": [
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      "problemTypes": [
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          "descriptions": [
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              "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
              "cweId": "CWE-120",
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        {
          "url": "https://www.celestialsoftware.net/",
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        {
          "url": "https://www.vulncheck.com/advisories/absolutetelnet-license-name-denial-of-service",
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            "scope": "UNCHANGED",
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            "baseSeverity": "MEDIUM"
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