F5 BIG-IP prior 17.1.3.2/17.5.1.6/21.0.0.2 iControl SOAP file access

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP and classified as problematic. Affected by this issue is some unknown functionality of the component iControl SOAP. Such manipulation leads to file access. This vulnerability is traded as CVE-2026-42063. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in F5 BIG-IP. Affected by this issue is an unknown code of the component iControl SOAP. The manipulation with an unknown input leads to a file access vulnerability. Using CWE to declare the problem leads to CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. Impacted is confidentiality. CVE summarizes:

A vulnerability exists in iControl SOAP where an authenticated attacker with the Resource Administrator or Administrator role can download sensitive files.  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 is handled as CVE-2026-42063 since 05/01/2026. The exploitation is known to be easy. The attack may be launched 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 05/22/2026). The MITRE ATT&CK project declares the attack technique as T1083.

The vulnerability scanner Nessus provides a plugin with the ID 316111 (F5 Networks BIG-IP : iControl SOAP vulnerability (K000160973)), 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 (316111) 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: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.9
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
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: 316111
Nessus Name: F5 Networks BIG-IP : iControl SOAP vulnerability (K000160973)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BIG-IP 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
05/22/2026 +9 days VulDB entry last update

Sourcesinfo

Vendor: f5.com

Advisory: K000160973
Status: Confirmed

CVE: CVE-2026-42063 (🔒)
GCVE (CVE): GCVE-0-2026-42063
GCVE (VulDB): GCVE-100-363584
CERT Bund: WID-SEC-2026-1532 - F5 BIG-IP Produkte: Mehrere Schwachstellen

Entryinfo

Created: 05/13/2026 17:48
Updated: 05/22/2026 14:03
Changes: 05/13/2026 17:48 (76), 05/17/2026 16:33 (7), 05/22/2026 14:03 (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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