imapsync through 2.229 uses predictable paths under /tmp and /var/tmp in its default mode…
Priority MEDIUM 62CWE-59Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
imapsync through 2.229 uses predictable paths under /tmp and /var/tmp in its default mode of operation. Both of these are typically world-writable, and thus (for example) an attacker can modify imapsync's cache and overwrite files belonging to the user who runs it.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00625 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:imapsync_project:imapsync:*:*:*:*:*:*:*:* | up to 2.229 | Vulnerable | Imapsync Project |
- cpe:2.3:a:imapsync_project:imapsync:*:*:*:*:*:*:*:* Versions up to 2.229 Vulnerable ·Imapsync Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-34204
- 2026-10-03 Alias added: GHSA-pwpq-84p4-86mx
- 2026-10-31 EPSS moved to the 50th–90th percentile
- 2026-11-02 EPSS moved to the below the 50th percentile
- 2026-11-03 EPSS moved to the 50th–90th percentile
References
More Imapsync Project Imapsync vulnerabilities
- TI-2013-03745 imapsync 1.564 and earlier performs a release check by default, which sends sensitive… CVSS 2.0MEDIUM 5.0
- TI-2014-01578 imapsync before 1.584, when running with the --tls option, attempts a cleartext login… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2023-34204 · CVE Program
- CVE-2023-34204 · NVD
- FIRST EPSS
- GHSA-pwpq-84p4-86mx · GitHub Advisory Database · CC BY 4.0
- CVE-2023-34204 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences