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CVE-2022-28055

30
FAUCET Score

CVE-2022-28055 is a critical command injection vulnerability affecting Fusionpbx versions 4.4 and below, specifically within the download email logs function. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to execute arbitrary commands remotely with high impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and it is not listed on the CISA KEV catalog, its high EPSS and FAUCET Risk Score indicate a significant potential for exploitation. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.4.0CPE matchmatch criteria
cpe:2.3:a:fusionpbx:fusionpbx:*:*:*:*:*:*:*:*

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
1.49%
Probability of exploitation in next 30 days
EPSS Percentile
71.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0149 is in the 58th percentile among its peer group of 36,829 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

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / fusionpbx/fusionpbx/commit/4e260b170e17705c4c9ccf787be7711b63a40868
PatchThird Party Advisory