BugZero | Cisco BugID CSCwf57261 - ASA: Traceback and reload due to clientless webvpn...

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BugZero | Cisco BugID CSCwf57261 - ASA: Traceback and reload due to clientless webvpn...

ODD
Cisco
CSCwf57261

Cisco - Defect ID: CSCwf57261

ASA: Traceback and reload due to clientless webvpn session closure

ODD
Cisco
CSCwf57261

Cisco - Defect ID: CSCwf57261

ASA: Traceback and reload due to clientless webvpn session closure

Last updated on February 25th, 2026

BugZero Risk Score
7.8 High

Overall: 7.8

Severity: 8.2

Lifecycle: 9.1

Popularity: 5.1

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Bug Details

Description

Symptom

ASA may traceback and reload while closing a clientless webvpn session.

Conditions

ASA with Clientless Webvpn.

Workaround

Leverage anyconnect where available.

Further Problem Description

Change history

2026-02-25 Removed: 9.16.4.18

2026-02-25 Removed: 9.16.4.18

2025-07-01 Added: 9.12.4.55, 9.12.4.56, 9.12.4.58, 9.14.4.23, 9.14.4.24, 9.16.4.14, 9.16.4.18, 9.16.4.19, 9.16.4.9, 9.18.2.7, 9.18.2.8

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.12.4.55, 9.12.4.56, 9.12.4.58, 9.14.4.23, 9.14.4.24, 9.16.4.14, 9.16.4.19, 9.16.4.9, 9.18.2.7, 9.18.2.8

Fixed versions: 9.16.4.27, 9.18.3, 9.18.3.39, 9.18.3.46, 9.18.3.53, 9.19.1, 9.19.1.12, 9.19.1.18, 9.19.1.5, 9.19.1.9, 9.20.1, 9.20.1.5

Relevant Products

Click on a version to see all relevant bugs

Affected versions:9.12.4.55, 9.12.4.56, 9.12.4.58, 9.14.4.23, 9.14.4.24, 9.16.4.14, 9.16.4.19, 9.16.4.9, 9.18.2.7, 9.18.2.8

Fixed versions: 9.16.4.27, 9.18.3, 9.18.3.39, 9.18.3.46, 9.18.3.53, 9.19.1, 9.19.1.12, 9.19.1.18, 9.19.1.5, 9.19.1.9, 9.20.1, 9.20.1.5

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