CVE-2017-12843

medium
Published 2017-08-22 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2
4.0
VIR risk
6.5

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.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-12843

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.3.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiansidfixed0
debian debiantrixiefixed0
fedora fedora26affected

Application impact

VendorProductVersionsFixed
cyrusimapcyrus_imap{"endIncluding":"3.0.2"}

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.