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CVE-2022-27925

97
FAUCET Score

CVE-2022-27925 is a critical directory traversal vulnerability affecting Zimbra Collaboration Suite (ZCS) versions 8.8.15 and 9.0, allowing an authenticated administrator to upload arbitrary files. With a CVSS score of 7.2 (HIGH), it presents a significant risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. This vulnerability is actively exploited, listed in CISA's KEV catalog, and has publicly available Metasploit modules, indicating a high probability of successful exploitation. The high EPSS score, numerous community discussions, and extensive media coverage further underscore its widespread attention and active threat landscape, including its use in known ransomware campaigns.

Impacted Technologies

VendorProductVersion(s)CPE
8.8.15CPE matchmatch criteria
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:-:*:*:*:*:*:*
8.8.15CPE matchmatch criteria
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p1:*:*:*:*:*:*
8.8.15CPE matchmatch criteria
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p10:*:*:*:*:*:*
8.8.15CPE matchmatch criteria
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p11:*:*:*:*:*:*
8.8.15CPE matchmatch criteria
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
98.59%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Aug 11, 2022
Metasploit: Zip Path Traversal in Zimbra (mboximport) (CVE-2022-27925) · May 10, 2022
This CVE's current EPSS score of 0.9859 is in the 100th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/168146/Zimbra-Zip-Path-Traversal.html
ExploitThird Party AdvisoryVDB Entry
wiki.zimbra.com / wiki/Security_Center
Vendor Advisory
wiki.zimbra.com / wiki/Zimbra_Releases/9.0.0/P24
Release NotesVendor Advisory
wiki.zimbra.com / wiki/Zimbra_Security_Advisories
Vendor Advisory