F5 BIG-IP prior 17.1.3.1/17.5.1.4/21.0.0.1 SNMP Configuration os command injection

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.69

Summaryinfo

A vulnerability described as critical has been identified in F5 BIG-IP. This impacts an unknown function of the component SNMP Configuration Handler. Executing a manipulation can lead to os command injection. This vulnerability is tracked as CVE-2026-42924. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in F5 BIG-IP. This vulnerability affects an unknown code block of the component SNMP Configuration Handler. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation.  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-2026-42924 since 05/01/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are required 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 05/22/2026). The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 316118 (F5 Networks BIG-IP : BIG-IP iControl SOAP vulnerability (K000160926)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.1.3.1, 17.5.1.4 or 21.0.0.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316118) and CERT Bund (WID-SEC-2026-1532). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 5.6
VulDB Meta Temp Score: 5.5

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

CNA Base Score: 6.5
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
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: 316118
Nessus Name: F5 Networks BIG-IP : BIG-IP iControl SOAP vulnerability (K000160926)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BIG-IP 17.1.3.1/17.5.1.4/21.0.0.1

Timelineinfo

05/01/2026 CVE reserved
05/13/2026 +12 days Advisory disclosed
05/13/2026 +0 days VulDB entry created
05/22/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000160926
Status: Confirmed

CVE: CVE-2026-42924 (🔒)
GCVE (CVE): GCVE-0-2026-42924
GCVE (VulDB): GCVE-100-363592
CERT Bund: WID-SEC-2026-1532 - F5 BIG-IP Produkte: Mehrere Schwachstellen

Entryinfo

Created: 05/13/2026 17:50
Updated: 05/22/2026 12:19
Changes: 05/13/2026 17:50 (76), 05/17/2026 16:33 (7), 05/22/2026 12:19 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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