What is the severity of CVE-2023-51639?

CVE-2023-51639 is considered a critical vulnerability due to its potential for remote authentication bypass.

How do I fix CVE-2023-51639?

To fix CVE-2023-51639, update Allegra to version 7.5.1 or later as recommended.

Who is affected by CVE-2023-51639?

CVE-2023-51639 affects installations of Allegra versions prior to 7.5.1.

What type of vulnerability is CVE-2023-51639?

CVE-2023-51639 is a directory traversal vulnerability that allows for authentication bypass.

Can CVE-2023-51639 be exploited remotely?

Yes, CVE-2023-51639 can be exploited remotely without authentication.

Vulnerability/
CVE-2023-51639

critical

9.8

CWE

22/11/2024

3/1/2025

CVE-2023-51639: Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability

First published: Fri Nov 22 2024(Updated: )

Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloadExportedChart action. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-22361.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Allegra Allegra
Alltena Allegra	<7.5.1

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2023-51639?
CVE-2023-51639 is considered a critical vulnerability due to its potential for remote authentication bypass.
How do I fix CVE-2023-51639?
To fix CVE-2023-51639, update Allegra to version 7.5.1 or later as recommended.
Who is affected by CVE-2023-51639?
CVE-2023-51639 affects installations of Allegra versions prior to 7.5.1.
What type of vulnerability is CVE-2023-51639?
CVE-2023-51639 is a directory traversal vulnerability that allows for authentication bypass.
Can CVE-2023-51639 be exploited remotely?
Yes, CVE-2023-51639 can be exploited remotely without authentication.

agent/references
agent/title
agent/weakness
agent/first-publish-date
agent/type
agent/description
collector/zdi-advisory
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alias/ZDI-24-110
alias/ZDI-CAN-22361
alias/CVE-2023-51639
agent/software-canonical-lookup
agent/software-canonical-lookup-request
agent/author
agent/event
collector/mitre-cve
source/MITRE
agent/trending
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agent/severity
agent/last-modified-date
agent/softwarecombine
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vendor/allegra
canonical/allegra allegra
vendor/alltena
canonical/alltena allegra

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Frequently Asked Questions

What is the severity of CVE-2023-51639?
CVE-2023-51639 is considered a critical vulnerability due to its potential for remote authentication bypass.
How do I fix CVE-2023-51639?
To fix CVE-2023-51639, update Allegra to version 7.5.1 or later as recommended.
Who is affected by CVE-2023-51639?
CVE-2023-51639 affects installations of Allegra versions prior to 7.5.1.
What type of vulnerability is CVE-2023-51639?
CVE-2023-51639 is a directory traversal vulnerability that allows for authentication bypass.
Can CVE-2023-51639 be exploited remotely?
Yes, CVE-2023-51639 can be exploited remotely without authentication.