CVE-2018-15321

mediumpriority · track · 20EPSS 0.009 · 59 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.90% (59th) EPSS

CVSS 5.5 · medium

Is it mine?

71 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

When BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.1.0-2.3.0, or Enterprise Manager 3.1.1 is licensed for Appliance Mode, Admin and Resource administrator roles can by-pass BIG-IP Appliance Mode restrictions to overwrite critical system files. Attackers of high privilege level are able to overwrite critical system files which bypasses security controls in place to limit TMSH commands. This is possible with an administrator or resource administrator roles when granted TMSH. Resource administrator roles must have TMSH access in order to perform this attack.

cvss

Technical severity, 0–10. One row per scoring source.

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05.5mediumAV:N/AC:L/Au:S/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 4.9

v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 3.6

v3.04.5mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USprimary

affected products (71)

Products and version ranges known to be affected.

F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator), BIG-IQ Centralized Management, BIG-IQ Cloud and Orchestration, iWorkflow, Enterprise Manager≤ 14.0.0-14.0.0.2, 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, 11.2.1-11.5.6enisa_euvdEU
f5 big-ip access policy manager11.2.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip access policy manager11.6.0 → 11.6.3.2nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip access policy manager12.1.0 → 12.1.3.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip access policy manager13.0.0 → 13.1.0.7nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip access policy manager14.0.0 → 14.0.0.2nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager11.2.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager11.6.0 → 11.6.3.2nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager12.1.0 → 12.1.3.5nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager13.0.0 → 13.1.0.7nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip advanced firewall manager14.0.0 → 14.0.0.2nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
f5 big-ip analytics11.2.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip analytics11.6.0 → 11.6.3.2nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip analytics12.1.0 → 12.1.3.5nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip analytics13.0.0 → 13.1.0.7nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip analytics14.0.0 → 14.0.0.2nvdUScpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager11.2.1 → 11.5.6nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager11.6.0 → 11.6.3.2nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager12.1.0 → 12.1.3.5nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
f5 big-ip application acceleration manager13.0.0 → 13.1.0.7nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*

showing 20 of 71

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-10-31modified 2026-06-17

related (6,660)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-102490US	high7.8OT critical	0.86% (58th)	KEV	2026-09-30
Zammad packages built with packager.io (DEB and RPM) could have allowed a local attacker who already had file system write privileges as the unprivileged zammad service account to…
CVE-2026-84869US	—OT critical	0.92% (60th)	KEV	2026-09-08
A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circum…
CVE-2026-46817US	—OT critical	12.3% (96th)	KEV	2026-05-28
Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable…
CVE-2026-21533US	—OT critical	4.18% (91st)	KEV	2026-02-10
Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
CVE-2024-57726US	critical9.9OT critical	66.4% (99th)	KEV	2025-01-15
SimpleHelp remote support software v5.5.7 and before has a vulnerability that allows low-privileges technicians to create API keys with excessive permissions. These API keys can be…

+6655 more

references (3)

External citations — patches, advisories, analysis.

https://support.f5.com/csp/article/K01067037 cnnvd
https://support.f5.com/csp/article/K01067037 enisa_euvd
https://support.f5.com/csp/article/K01067037MitigationVendor Advisorynvd

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan