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Public proof of concept

CVE-2020-11857

A public proof of concept exists; no exploitation attested.

  • Published2020-09-22
  • WeaknessCWE-798

Am I 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

An Authorization Bypass vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier. The vulnerability could allow remote attackers to access the OBR host as a non-admin user

Timeline

dates in UTC
  1. 2020-09-2214:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-11857?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-11857?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Microfocus operation bridge reporter
BranchAffectedFixed in
10.x≥ 10.00, ≤ 10.40no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/ssh/microfocus_obr_shrboadminrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-798read 2026-10-23
  • FIRST EPSSEPSS score15.8 %read 2026-11-02
  • Metasploit FrameworkMetasploit modules1known since 2026-11-01

Identifiers

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
2020-09-22
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-11857?

An Authorization Bypass vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier. The vulnerability could allow remote attackers to access the OBR host as a non-admin user

Is CVE-2020-11857 actively exploited?

Active exploitation of CVE-2020-11857 has not been confirmed. Its EPSS score was 15.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11857?

CVE-2020-11857 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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