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ExploitedIn CISA KEV

CVE-2022-27925

Exploitation confirmed. First attested on 2022-08-11 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-04-21
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.

Timeline

dates in UTC
  1. 2022-04-2100:15CVE publishedNVD
  2. 2022-08-11Added to the CISA KEV catalogCISA KEV
  3. 2022-08-11Listed as exploited by GCVEGCVE
  4. 2022-08-11Exploitation first reportedCISA KEV
  5. 2026-08-0403:55SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-27925?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-27925?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Synacor zimbra collaboration suite
BranchAffectedFixed in
8.8= 8.8.15no fix published
9.0= 9.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-09-01

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
12 repositories, unverifiedvnhacker1337/CVE-2022-27925-PoChuahuatzt/CVE-2022-27925miko550/CVE-2022-27925navokus/CVE-2022-27925Josexv1/CVE-2022-27925
PoC-in-GitHub
Metasploit modules
1 moduleexploit/linux/http/zimbra_mboximport_cve_2022_27925rank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-08-11
Patch Due Date
2022-09-01
Ransomware Use
Known
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2022-04-21
Last Modified
2026-10-01
NVD status
Analyzed
GitHub Advisory
GHSA-j5r7-6rm3-99mm

Frequently asked questions

What is CVE-2022-27925?

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.

Is CVE-2022-27925 actively exploited?

Yes. CVE-2022-27925 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-09-01.

What is the CVSS score for CVE-2022-27925?

CVE-2022-27925 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record