CVE-2020-15901

HIGHNVD 8.88.8—Elevated

8.8

In Nagios XI before 5.7.3, ajaxhelper.php allows remote authenticated attackers to execute arbitrary commands via cmdsubsys.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 97.4%
KEV: Not listed

Published

July 22, 2020

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://insinuator.net/2020/07/security-advisories-for-nagios-xi/
cve@mitrehttps://www.nagios.com/downloads/nagios-xi/change-log/
cve@mitrehttps://www.nagios.com/products/security/
af854a3a-2127-422b-91ae-364da2661108https://insinuator.net/2020/07/security-advisories-for-nagios-xi/
af854a3a-2127-422b-91ae-364da2661108https://www.nagios.com/downloads/nagios-xi/change-log/
af854a3a-2127-422b-91ae-364da2661108https://www.nagios.com/products/security/

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-15901?

CVE-2020-15901 is a high vulnerability published on July 22, 2020. In Nagios XI before 5.7.3, ajaxhelper.php allows remote authenticated attackers to execute arbitrary commands via cmdsubsys.

When was CVE-2020-15901 disclosed?

CVE-2020-15901 was first published in the National Vulnerability Database on July 22, 2020, 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-2020-15901 actively exploited?

CVE-2020-15901 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-15901?

CVE-2020-15901 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2020-15901?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15901, 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-2020-15901

Explore →

Is Your Infrastructure Affected by CVE-2020-15901?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2020-15901

📅 Published

🔄 Last Modified

🔗 References (6)