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CVE-2017-12843

Published: Aug 22, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.2%
Top 35.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRESTORE command.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

n/an/a
cyrus imapcyrusimap
On-prem
Communications / email-server-client
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
cyrusimaposs-projectUSCommunicationsaka cyrus imap, cyrus-sasl, cyrus sasl
fedoraprojectoss-projectUSOperating Systemsaka fedora project

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/cyrusimap/cyrus-imapd/commit/5edadcfb83bf27107578830801817f9e6d0ad941
github.com
https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.3.html
cyrusimap.org
https://github.com/cyrusimap/cyrus-imapd/commit/53c4137bd924b954432c6c59da7572c4c5ffa901
github.com
and 1 more references View all →

Timeline

Published
Aug 22, 2017
Last Updated
May 13, 2026

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