Infoblox NIOS before 8.5.2 allows entity expansion during an XML upload operation, a related issue to CVE-2003-1564.
CVE-2020-15303
MEDIUMNVD 6.56.5
EchelonGraph scoreLOW confidence
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(low)
- EPSS
- 54.1%
- KEV
- Not listed
Published
June 28, 2021
Last Modified
November 21, 2024
References (4)
- cve@mitrehttps://community.infoblox.com/t5/Security/NIOS-XML-Vulnerability/m-p/22437#M1995
- cve@mitrehttps://www.infoblox.com/products/nios8/
- af854a3a-2127-422b-91ae-364da2661108https://community.infoblox.com/t5/Security/NIOS-XML-Vulnerability/m-p/22437#M1995
- af854a3a-2127-422b-91ae-364da2661108https://www.infoblox.com/products/nios8/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(5)
What is CVE-2020-15303?
CVE-2020-15303 is a medium vulnerability published on June 28, 2021. Infoblox NIOS before 8.5.2 allows entity expansion during an XML upload operation, a related issue to CVE-2003-1564.
When was CVE-2020-15303 disclosed?
CVE-2020-15303 was first published in the National Vulnerability Database on June 28, 2021, 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-2020-15303 actively exploited?
CVE-2020-15303 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-15303?
CVE-2020-15303 has a CVSS v3 base score of 6.5 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2020-15303?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15303, 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
Explore the affected products and dependency analysis for CVE-2020-15303
Is Your Infrastructure Affected by CVE-2020-15303?
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