CVE-2025-4477Network attack vector

Administrator escalation via missing API authorization

Published May 19, 2025 · Updated May 19, 2025

Privilege escalation in TeamT5 ThreatSonar Anti-Ransomware 3.8.0 and earlier allows remote authenticated users to gain full administrator access. TWCERT/CC identifies missing authorization in a specific management API but does not disclose the endpoint, parameters, or exact authorization check omitted. An existing intermediate-privilege account is required; successful exploitation grants complete administrative control of the product.

CVSS severity8.6
High
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in TeamT5 ThreatSonar Anti-Ransomware 3.8.0 and earlier allows remote authenticated users to gain full administrator access. TWCERT/CC identifies missing authorization in a specific management API but does not disclose the endpoint, parameters, or exact authorization check omitted. An existing intermediate-privilege account is required; successful exploitation grants complete administrative control of the product.

The record

CVE
CVE-2025-4477
Published
May 19, 2025
Updated
May 19, 2025
Vendor
TeamT5
Product
ThreatSonar Anti-Ransomware
Classifications
CWE-862, CAPEC-233, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 19, 2025CVE publishedPublication date reported by the CVE source.
  2. May 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.8.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

TeamT5 · ThreatSonar Anti-Ransomwareversion=0 <=3.8.0

Published CVSS scores

7.2TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
8.6TWCERT/CCCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-233Privilege Escalation
T1098Account Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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