F5 BIG-IP/BIG-IQ prior 17.1.3.2/17.5.1.6/21.0.0.2 unnecessary privileges

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in F5 BIG-IP and BIG-IQ. Affected is an unknown function. Executing a manipulation can lead to unnecessary privileges. The identification of this vulnerability is CVE-2026-32643. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in F5 BIG-IP and BIG-IQ and classified as problematic. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. The CWE definition for the vulnerability is CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The advisory is shared for download at my.f5.com. This vulnerability was named CVE-2026-32643 since 05/01/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/29/2026). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 316094 (F5 Networks BIG-IP : BIG-IP and BIG-IQ privilege escalation vulnerability (K000160972)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.1.3.2, 17.5.1.6 or 21.0.0.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316094) and CERT Bund (WID-SEC-2026-1532). Once again VulDB remains the best source for vulnerability data.

Affected

  • F5 BIG-IP

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.7
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316094
Nessus Name: F5 Networks BIG-IP : BIG-IP and BIG-IQ privilege escalation vulnerability (K000160972)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BIG-IP/BIG-IQ 17.1.3.2/17.5.1.6/21.0.0.2

Timelineinfo

05/01/2026 CVE reserved
05/13/2026 +12 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
06/29/2026 +47 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000160972
Status: Confirmed

CVE: CVE-2026-32643 (🔒)
GCVE (CVE): GCVE-0-2026-32643
GCVE (VulDB): GCVE-100-363604
CERT Bund: WID-SEC-2026-1532 - F5 BIG-IP Produkte: Mehrere Schwachstellen

Entryinfo

Created: 05/13/2026 18:08
Updated: 06/29/2026 17:54
Changes: 05/13/2026 18:08 (74), 05/17/2026 11:20 (7), 05/25/2026 03:49 (2), 06/29/2026 17:54 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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