PatchTheCVECVE-2023-34204: imapsync through 2.229 uses predictable paths under /tmp and /var/tmp in its default mode of operation
CVE-2023-34204 is a medium-severity flaw (CVSS 6.5) affecting imapsync. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-59 |
| Published | 2023-05-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-34204?
imapsync: upgrade to newer than 2.229. Exact commands for each OS are on this page.
Is CVE-2023-34204 being exploited?
CVE-2023-34204 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-34204 affect?
CVE-2023-34204 affects imapsync. Severity is medium (CVSS 6.5). 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
How urgent is CVE-2023-34204?
Priority 40/100. Public exploit reference