CVE-2017-5863

CRITICALNVD 9.89.8—

9.8

Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 68.3%
KEV: Not listed

Published

May 22, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://open-xchange.com
cve@mitrehttp://ox.com
cve@mitrehttps://documentation.open-xchange.com/7.8.4/release-notes/release-notes.html
af854a3a-2127-422b-91ae-364da2661108http://open-xchange.com
af854a3a-2127-422b-91ae-364da2661108http://ox.com
af854a3a-2127-422b-91ae-364da2661108https://documentation.open-xchange.com/7.8.4/release-notes/release-notes.html

Weakness Classification(1)

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

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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 19:17 UTCEG score recompute
2026-05-27 19:17 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 17:16 UTCOSV refresh

Frequently asked(5)

What is CVE-2017-5863?

CVE-2017-5863 is a critical vulnerability published on May 22, 2019. Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.

When was CVE-2017-5863 disclosed?

CVE-2017-5863 was first published in the National Vulnerability Database on May 22, 2019, 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-2017-5863 actively exploited?

CVE-2017-5863 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2017-5863?

CVE-2017-5863 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2017-5863?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-5863, 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-2017-5863

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CVE-2017-5863

📅 Published

🔄 Last Modified

🔗 References (6)