Multiple vulnerabilities in Allegra
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2025-3485 CVE-2025-3486 |
| CWE-ID | CWE-22 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Allegra Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Steinbeis GmbH & Co. KG |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Path traversal
EUVDB-ID: #VU107967
Risk: Low
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-3485
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the implementation of the extractFileFromZip method. A remote administrator can send a specially crafted HTTP request and upload arbitrary files on the system, leading to arbitrary code execution.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAllegra: 8.1.0 - 8.1.1
CPE2.3 External linkshttps://www.zerodayinitiative.com/advisories/ZDI-25-254/
https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-2
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Path traversal
EUVDB-ID: #VU107969
Risk: Low
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2025-3486
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences within the implementation of the isZipEntryValide method. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary code execution.
MitigationInstall updates from vendor's website.
Vulnerable software versionsAllegra: 8.1.0 - 8.1.1
CPE2.3 External linkshttps://www.zerodayinitiative.com/advisories/ZDI-25-255/
https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-2
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
