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CVE-2021-22502

98
FAUCET Score

CVE-2021-22502 is a critical Remote Code Execution vulnerability affecting Micro Focus Operation Bridge Reporter (OBR) version 10.40. With a CVSS score of 9.8, it allows unauthenticated attackers to execute arbitrary code on the OBR server over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, as indicated by its presence in the CISA KEV catalog and the availability of Metasploit modules and Nuclei templates. The high EPSS score and significant community discussion further underscore its widespread attention and exploitability.

Impacted Technologies

VendorProductVersion(s)CPE
10.40CPE matchmatch criteria
cpe:2.3:a:microfocus:operation_bridge_reporter:10.40:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.74%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: Micro Focus Operations Bridge Reporter Unauthenticated Command Injection · Feb 9, 2021
Nuclei: CVE-2021-22502 · Mar 3, 2021
This CVE's current EPSS score of 0.9674 is in the 99th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/162408/Micro-Focus-Operations-Bridge-Reporter-Unauthenticated-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
softwaresupport.softwaregrp.com / doc/KM03775947
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-153
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-154
Third Party AdvisoryVDB Entry