CVE-2022-27924 : Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands i

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.

Published 2022-04-21 00:15:08

Updated 2022-05-03 12:59:49

Source MITRE

View at NVD, CVE.org

CVE-2022-27924 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Zimbra Collaboration (ZCS) Command Injection Vulnerability

CISA required action:

Apply updates per vendor instructions.

CISA description:

Zimbra Collaboration (ZCS) allows an attacker to inject memcache commands into a targeted instance which causes an overwrite of arbitrary cached entries.

Notes:

https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24.1#Security_Fixes

Added on 2022-08-04 Action due date 2022-08-25

Exploit prediction scoring system (EPSS) score for CVE-2022-27924

EPSS FAQ

9.67%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 94 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-27924

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2022-27924

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-27924

Products affected by CVE-2022-27924