F5Os A
CVE-2025-46265
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.38%. |
| Exploit ScenarioDerived | A remote attacker could bypass authorization checks to access restricted resources by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. Affected products include: F5 F5Os-A, F5 F5Os-C.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Executive ViewAI
CVE-2025-46265 presents significant security risk, a incorrect authorization vulnerability rated CVSS 8.7. Attackers could bypass security controls to gain unauthorized access to protected resources and sensitive data. Organizations should apply vendor updates when available and consider compensating controls in the interim.
Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
On an F5OS system, if the root user had previously configured the system to allow login via SSH key-based authentication
In F5OS-A version 1.x before 1.1.0 and F5OS-C version 1.x before 1.5.0, excessive file permissions in F5OS allows an aut
Local privilege escalation in F5OS-A and F5OS-C allows an authenticated low-privileged user with local access to execute
Privilege escalation in F5OS-A and F5OS-C allows an authenticated attacker with a local low-privilege account to cross a
When running in Appliance mode, an authenticated attacker assigned the Administrator or Resource Administrator role may
On F5OS-A beginning in version 1.2.0 to before 1.3.0 and F5OS-C beginning in version 1.3.0 to before 1.5.0, processing F
SNMP on F5OS-A appliance and F5OS-C chassis systems can be driven into memory exhaustion by undisclosed requests, allowi
Memory corruption in F5OS-A and F5OS-C is a moderate-priority issue, not a top-tier emergency: an out-of-bounds write ca
F5OS-A on F5 rSeries systems can expose sensitive FIPS hardware security module (HSM) information to a highly privileged
When LDAP remote authentication is configured on F5OS, a remote user without an assigned role will be incorrectly author
A directory traversal vulnerability exists in the F5OS QKView utility that allows an authenticated attacker to read file
In F5OS-A version 1.x before 1.1.0 and F5OS-C version 1.x before 1.4.0, a directory traversal vulnerability exists in an
GitHub PoC
Exploit-DB