Vulnerability identifier: #VU76648

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-29382

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zimbra Collaboration
Web applications / Webmail solutions

Vendor: Synacor Inc.

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in an unused JSP file. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zimbra Collaboration: 8.8 - 10.0.0

---

External links
http://wiki.zimbra.com/wiki/Security_Center#ZCS_8.8.15_Patch_40_Released
http://wiki.zimbra.com/wiki/Security_Center#ZCS_9.0.0_Patch_33_Released
http://wiki.zimbra.com/wiki/Security_Center#Daffodil_10.0.1_Released

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.