Home/CVE/On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell
CVE

CVE-2018-5520

On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell

On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell (tmsh) may allow an administrative user to use the dig utility to gain unauthorized access to file system resources.

MEDIUM · CVSS 4.4 EPSS 0.00189
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

39
f5 big-ip local traffic manager>= 11.2.1 and <= 11.6.3
f5 big-ip local traffic manager>= 12.1.0 and <= 12.1.3
f5 big-ip local traffic manager>= 13.0.0 and <= 13.1.0
f5 big-ip application acceleration manager>= 11.2.1 and <= 11.6.3
f5 big-ip application acceleration manager>= 12.1.0 and <= 12.1.3
f5 big-ip application acceleration manager>= 13.0.0 and <= 13.1.0
f5 big-ip advanced firewall manager>= 11.2.1 and <= 11.6.3
f5 big-ip advanced firewall manager>= 12.1.0 and <= 12.1.3
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.0 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 May 2018 · 01:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securitytracker.com/id/1040798Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K02043709Vendor Advisory
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