Bash shell access via iHealth restriction bypass
Published Oct 15, 2025 · Updated Oct 15, 2025
Privilege restriction bypass in F5 BIG-IP allows remote authenticated users to obtain a bash shell through the iHealth command. F5 identifies iHealth as the locus but has not disclosed how it fails to enforce tmsh restrictions on command input. Exploitation requires at least the resource administrator role; Appliance mode permits a security-boundary crossing with command execution under bash.
Summary
What happened
Privilege restriction bypass in F5 BIG-IP allows remote authenticated users to obtain a bash shell through the iHealth command. F5 identifies iHealth as the locus but has not disclosed how it fails to enforce tmsh restrictions on command input. Exploitation requires at least the resource administrator role; Appliance mode permits a security-boundary crossing with command execution under bash.
The record
- CVE
- CVE-2025-61958
- Published
- Oct 15, 2025
- Updated
- Oct 15, 2025
- Vendor
- F5 Networks
- Product
- BIG-IP
- Classifications
- CWE-250, T1059.004
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- Oct 15, 2025CVE publishedPublication date reported by the CVE source.
- Oct 15, 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.
- Affected versionversion=15.1.0 <15.1.10.8
- Affected versionversion=16.1.0 <16.1.6.1
- Affected versionversion=17.1.0 <17.1.3
- Affected versionversion=17.5.0 <17.5.1.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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