CVE-2011-1127: Critical severity SimpleMachines Smf vulnerability

Published Jun 21, 2011
·
Updated

SSI.php in Simple Machines Forum (SMF) before 1.1.13, and 2.x before 2.0 RC5, does not properly restrict guest access, which allows remote attackers to have an unspecified impact via unknown vectors.

Affected Software

57 affected components
SimpleMachines Smf=1.0.13
SimpleMachines Smf=1.1.2
SimpleMachines Smf=1.0.8
SimpleMachines Smf=1.1-rc1
SimpleMachines Smf=1.0-beta4.1
SimpleMachines Smf=1.0.1
SimpleMachines Smf<=1.1.12
SimpleMachines Smf=1.0.19
SimpleMachines Smf=1.0.7
SimpleMachines Smf=1.0.9
SimpleMachines Smf=1.0.10
SimpleMachines Smf=1.0-beta4
SimpleMachines Smf=1.1-beta3
SimpleMachines Smf=1.0-rc2
SimpleMachines Smf=1.1.4
SimpleMachines Smf=1.0.16
SimpleMachines Smf=1.0.14
SimpleMachines Smf=1.0.17
SimpleMachines Smf=1.1.10
SimpleMachines Smf=1.0-beta5
SimpleMachines Smf=1.1-beta1
SimpleMachines Smf=1.1
SimpleMachines Smf=1.1-beta2
SimpleMachines Smf=1.0.21
SimpleMachines Smf=1.1.11
SimpleMachines Smf=1.1.8
SimpleMachines Smf=1.0.2
SimpleMachines Smf=1.1.3
SimpleMachines Smf=1.1.7
SimpleMachines Smf=1.0.4
SimpleMachines Smf=1.1.5
SimpleMachines Smf=1.1.9
SimpleMachines Smf=1.0.12
SimpleMachines Smf=1.0.18
SimpleMachines Smf=1.1-beta4
SimpleMachines Smf=1.0.6
SimpleMachines Smf=1.0.20
SimpleMachines Smf=1.1-rc2
SimpleMachines Smf=1.0
SimpleMachines Smf=1.0.5
SimpleMachines Smf=1.0.15
SimpleMachines Smf=1.0-rc1
SimpleMachines Smf=1.1-rc3
SimpleMachines Smf=1.0.3
SimpleMachines Smf=1.0-beta6
SimpleMachines Smf=1.1.6
SimpleMachines Smf=1.1.1
SimpleMachines Smf=2.0-beta1
SimpleMachines Smf=2.0-beta3
SimpleMachines Smf=2.0-beta4
SimpleMachines Smf=2.0-beta2
SimpleMachines Smf=2.0-beta3.1
SimpleMachines Smf=2.0-beta2.1
SimpleMachines Smf=2.0-rc2
SimpleMachines Smf=2.0-rc3
SimpleMachines Smf=2.0-rc1
SimpleMachines Smf=2.0-rc4

Event History

Jun 21, 2011
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2011-1127?

CVE-2011-1127 has a medium severity status due to improper guest access controls in Simple Machines Forum.

2

How do I fix CVE-2011-1127?

To fix CVE-2011-1127, upgrade Simple Machines Forum to version 1.1.13 or 2.0 RC5 or later.

3

What versions are affected by CVE-2011-1127?

CVE-2011-1127 affects Simple Machines Forum versions before 1.1.13 and 2.x versions prior to 2.0 RC5.

4

What impact does CVE-2011-1127 have on SMF?

CVE-2011-1127 allows remote attackers to exploit guest access restrictions, potentially leading to unauthorized actions.

5

Is there a patch available for CVE-2011-1127?

Yes, official patches for CVE-2011-1127 are included in the software updates for Simple Machines Forum.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203