PatchTheCVECVE-2011-2765: pyro before 3.15 unsafely handles pid files in temporary directory locations and opening the pid file as root
CVE-2011-2765 is a high-severity flaw (CVSS 7.5) affecting pyro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
pyro before 3.15 unsafely handles pid files in temporary directory locations and opening the pid file as root. An attacker can use this flaw to overwrite arbitrary files via symlinks.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.2% (top 17%) |
| CISA exploited list | No |
| Weakness | CWE-59 |
| Published | 2018-08-20 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · 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-2011-2765?
pyro: upgrade to 3.15. Exact commands for each OS are on this page.
Is CVE-2011-2765 being exploited?
CVE-2011-2765 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-2011-2765 affect?
CVE-2011-2765 affects pyro. Severity is high (CVSS 7.5). pyro before 3.15 unsafely handles pid files in temporary directory locations and opening the pid file as root. An attacker can use this flaw to overwrite arbitrary files via symlinks.
How urgent is CVE-2011-2765?
Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action