Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via…
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.01227 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cyrusimap:cyrus_imap:*:*:*:*:*:*:*:* | up to 3.0.2 | Vulnerable | cyrusimap |
| cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:* | 26 | Vulnerable | Fedoraproject |
- cpe:2.3:a:cyrusimap:cyrus_imap:*:*:*:*:*:*:*:* Versions up to 3.0.2 Vulnerable ·cyrusimap
- cpe:2.3:o:fedoraproject:fedora:26:*:*:*:*:*:*:* Versions 26 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12843
- 2026-10-03 Alias added: GHSA-7gjp-mccf-jrm5
References
Sources
- CVE-2017-12843 · CVE Program
- CVE-2017-12843 · NVD
- FIRST EPSS
- GHSA-7gjp-mccf-jrm5 · GitHub Advisory Database · CC BY 4.0
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