SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22507

Authentication bypass vulnerability in Micro Focus Operations Bridge Manager affects versions 2019.05, 2019.11, 2020.05 and 2020.10.

CRITICAL 9.8EPSS 1.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Authentication bypass vulnerability in Micro Focus Operations Bridge Manager affects versions 2019.05, 2019.11, 2020.05 and 2020.10. The vulnerability could allow remote attackers to bypass user authentication and get unauthorized access.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.68% probability · 77th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-287
Affected
microfocus/operations bridge manager
Source
security@opentext.com
EPSS trend
0%3%5%26 October 2026: 1.68%26 October 202626 October 2026

EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.