CVE-2023-51639
Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability
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.
- Record
CVE-2023-51639- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2023-56351
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.
- Record
EUVD-2023-56351- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g8p3-q878-476h
Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This...
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.
- Record
GHSA-g8p3-q878-476h- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-51639- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-51639 is a critical vulnerability (CVSS 9.8) in Allegra, published November 22, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.49%, the 84th percentile. No source names a fixed version.