BugZero | F5 BugID 753923 - Detected Web Scraping negative enforcement prevent...

F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

Last updated on July 18th, 2026

BugZero Risk Score
6.0 Medium

Overall: 6.0

Severity: 6.4

Community: 4.2

Lifecycle: 8.3

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Bug Details

Priority: 4-Minor
Status: Verified
Impact Category: Application Security Manager

Description

Symptoms

The negative enforcement option within the Bot Detection (Web Scraping) feature might prevent normal behavior from being detected as such, even after disabling the negative enforcement using the internal parameter: ws_cshui_susp_event_bot_score. Disabling negative enforcement is done using an internal Pp/usr/share/ts/bin/add_del_internal add ws_cshui_susp_event_bot_score 0 bigstart restart asm

Impact

Some web clients may get blocked due to this anomaly.

Conditions

-- Bot Detection (Web Scraping) is enabled on the ASM Security Policy. -- The client uses rarely encountered hardware that causes negative enforcement to be detected. -- Negative enforcement is disabled via ASM internal parameters.

Workaround

None.

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 13.1.5, 13.1.5.1, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: No known fixed versions

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F5 Integration

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F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

Last updated on July 18th, 2026

BugZero Risk Score6.0 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

F5 - Defect ID: 753923

Detected Web Scraping negative enforcement prevent normal behavior detection even when they are disabled

Last updated on July 18th, 2026

BugZero Risk Score6.0 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.0 Medium

BugZero Risk Score
6.0 Medium