CVE-2020-11851
A public proof of concept exists; no exploitation attested.
- Published2020-11-17
- Fixed in7.1.1
- WeaknessCWE-94
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
Arbitrary code execution vulnerability on Micro Focus ArcSight Logger product, affecting all version prior to 7.1.1. The vulnerability could be remotely exploited resulting in the execution of arbitrary code.
Timeline
dates in UTC- 2020-11-1702:15CVE 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-2020-11851?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-11851?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 |
|---|---|---|---|
| 7.1 | < 7.1.1 | 7.1.1 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Microfocus arcsight logger to 7.1.1
Detection
read 2026-10-23 19:23 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
Sources
- NVDCVSS 3.19.8read 2026-10-23
- NVDCVSS 2.07.5read 2026-10-23
- NVDweakness (CWE)CWE-94read 2026-10-23
- FIRST EPSSEPSS score2.9 %2026-10-22
- PoC-in-GitHubproof of concept1read 2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2020-11-17
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2020-11851?
Is CVE-2020-11851 actively exploited?
What is the CVSS score for CVE-2020-11851?
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