PatchTheCVECVE-2017-18925: opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are misha
CVE-2017-18925 is a medium-severity flaw (CVSS 5.5) affecting opentmpfiles. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 68%) |
| CISA exploited list | No |
| Weakness | CWE-59 |
| Published | 2020-10-26 |
| 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-2017-18925?
opentmpfiles: upgrade to newer than 0.3.1. Exact commands for each OS are on this page.
Is CVE-2017-18925 being exploited?
CVE-2017-18925 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-2017-18925 affect?
CVE-2017-18925 affects opentmpfiles. Severity is medium (CVSS 5.5). opentmpfiles through 0.3.1 allows local users to take ownership of arbitrary files because d entries are mishandled and allow a symlink attack.
How urgent is CVE-2017-18925?
Priority 32/100. Public exploit reference