Vulnerability Report

CVE-2022-41347

Title: Zimbra Collaboration Privilege Escalation

Privilege Escalation

Proof Of Concept

No public PoC currently indexed for CVE-2022-41347.

CWE Category NVD-CWE-noinfo
Published Date Sep 26, 2022
Modified Date May 21, 2025
Exploit Status Not Found
Score 7.8 CVSS v3.1
Exploit Probability (EPSS)
0.16%

Vulnerability Summary

CVE-2022-41347: An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). The Sudo configuration permits the zimbra user to execute the NGINX binary as root with arbitrary parameters. As part of its intended functionality, NGINX can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.

Impacted Vendors

H
hummingbird 1
Z
zimbra 1

Reference Links

https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/ https://github.com/darrenmartyn/zimbra-hinginx https://wiki.zimbra.com/wiki/Security_Center https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/ https://github.com/darrenmartyn/zimbra-hinginx https://wiki.zimbra.com/wiki/Security_Center https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-41347 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.