Vulnerability Intelligence Report
Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
CVE-2022-27924
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.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
Automatable
CVSS Base Score
7.5
HIGH
Exploitability:3.9
Impact Score:3.6
EPSS Probability:85.40%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-74 ↗CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| n/a | n/a | n/a (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
85.398%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2022-03-25T00:00:00 |
| Published | 2022-04-20T23:23:17 |
| Last Updated | 2026-08-04T03:55:44 |
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