CVE-2019-1083
A public proof of concept exists; no exploitation attested.
- Published2019-07-15
- WeaknessCWE-19
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests, aka '.NET Denial of Service Vulnerability'.
Timeline
dates in UTC- 2019-07-1519:15CVE publishedNVD
- 2026-10-2319:23First public proof of conceptPoC-in-GitHub
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-1083?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-1083?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2.0 | = 2.0 | no fix published | NVD |
| 3.0 | = 3.0 | no fix published | NVD |
| 3.5 | = 3.5 | no fix published | NVD |
| 4.7 | = 4.7.2 | no fix published | NVD |
| 4.8 | = 4.8 | no fix published | NVD |
| 3.5 | = 3.5.1 | no fix published | NVD |
| 4.5 | = 4.5.2 | no fix published | NVD |
| 4.6 | = 4.6 | no fix published | NVD |
| 4.6 | = 4.6.1 | no fix published | NVD |
| 4.6 | = 4.6.2 | no fix published | NVD |
| 4.7 | = 4.7 | no fix published | NVD |
| 4.7 | = 4.7.1 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
Advisories and patches
- portal.msrc.microsoft.comPatch · Vendor Advisory
Detection
read 2026-10-23 19:23 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- 1 repository, unverifiedstevenseeley/HowCVE-2019-1083Works PoC-in-GitHub
Sources
- NVDCVSS 3.07.5read 2026-10-23
- NVDCVSS 2.05read 2026-10-23
- NVDweakness (CWE)CWE-19read 2026-10-23
- FIRST EPSSEPSS score7.8 %2026-10-22
- PoC-in-GitHubproof of concept1read 2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2019-07-15
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2019-1083?
Is CVE-2019-1083 actively exploited?
What is the CVSS score for CVE-2019-1083?
Hear about the next vulnerability in your software
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.