CVE-2011-2765

HIGHNVD 7.5

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.

CVSS v3: 7.5
EG Score: —
EPSS: 62.9%
KEV: Not listed

Published

August 20, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://bugs.debian.org/631912
cve@mitrehttps://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e
cve@mitrehttps://pythonhosted.org/Pyro/12-changes.html
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/631912
af854a3a-2127-422b-91ae-364da2661108https://github.com/irmen/Pyro3/commit/554e095a62c4412c91f981e72fd34a936ac2bf1e
af854a3a-2127-422b-91ae-364da2661108https://pythonhosted.org/Pyro/12-changes.html

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
pyro	3.10 ... 3.9.1 (6 versions)	3.15	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-59Improper Link Resolution Before File Access (Link Following)

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:43 UTCepss_batch

Frequently asked(5)

What is CVE-2011-2765?

CVE-2011-2765 is a high vulnerability published on August 20, 2018. 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.

When was CVE-2011-2765 disclosed?

CVE-2011-2765 was first published in the National Vulnerability Database on August 20, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-2765 actively exploited?

CVE-2011-2765 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2011-2765?

CVE-2011-2765 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2011-2765?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2765, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2011-2765

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