Authentication bypass in Zimbra Collaboration
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-41106 |
| CWE-ID | CWE-287 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Zimbra Collaboration Web applications / Webmail solutions |
| Vendor | Synacor Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper authentication
EUVDB-ID: #VU79877
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-41106
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an unspecified error. A remote non-authenticated attacker can bypass authentication process and gain unauthorized access to a Zimbra account.
MitigationInstall updates from vendor's website.
Vulnerable software versionsZimbra Collaboration: 8.8.15 - 10.0.2
External linkshttp://wiki.zimbra.com/wiki/Security_Center#ZCS_10.0.3_Released
http://wiki.zimbra.com/wiki/Security_Center#ZCS_9.0.0_Patch_35_Released
http://wiki.zimbra.com/wiki/Security_Center#ZCS_8.8.15_Patch_42_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.
