CVE-2011-2765

CVE-2011-2765 is a high-severity vulnerability in Pyro Project Pyro with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Description

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.

Frequently asked questions

What is CVE-2011-2765?
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 severe is CVE-2011-2765?
CVE-2011-2765 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2011-2765 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2765?
CVE-2011-2765 affects Pyro Project Pyro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2765?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-2765 published?
CVE-2011-2765 was published on 2018-08-20 and last updated on 2026-06-16.

References

Affected products (1)

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