How severe is CVE-2020-11857?

CVE-2020-11857 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11857 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11857?

CVE-2020-11857 affects Microfocus Operation Bridge Reporter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11857?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-11857 published?

CVE-2020-11857 was published on 2020-09-22 and last updated on 2026-06-17.

CVE-2020-11857

CVE-2020-11857 is a critical-severity vulnerability in Microfocus Operation Bridge Reporter with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Microfocus Operation Bridge Reporter
Published: 2020-09-22
Last modified: 2026-06-17

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

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
How severe is CVE-2020-11857?: CVE-2020-11857 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11857 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11857?: CVE-2020-11857 affects Microfocus Operation Bridge Reporter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11857?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-11857 published?: CVE-2020-11857 was published on 2020-09-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microfocus:operation_bridge_reporter:*:*:*:*:*:*:*:*

More vulnerabilities in Microfocus Operation Bridge Reporter

CVE-2021-22502 — Critical (CVSS 9.8): Remote Code execution vulnerability in Micro Focus Operation Bridge Reporter (OBR) product, affecting version 10.40.…
CVE-2020-11856 — Critical (CVSS 9.8): Arbitrary code execution vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier.…
CVE-2020-11855 — High (CVSS 7.8): An Authorization Bypass vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier.…

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