CVE-2020-21087

MEDIUMNVD 6.16.1—

6.1

Cross Site Scripting (XSS) in X2Engine X2CRM v6.9 and older allows remote attackers to execute arbitrary code by injecting arbitrary web script or HTML via the "New Name" field of the "Rename a Module" tool.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 66.8%
KEV: Not listed

Published

April 14, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/X2Engine/X2CRM/issues/162
af854a3a-2127-422b-91ae-364da2661108https://github.com/X2Engine/X2CRM/issues/162

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

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
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 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

Frequently asked(5)

What is CVE-2020-21087?

CVE-2020-21087 is a medium vulnerability published on April 14, 2021. Cross Site Scripting (XSS) in X2Engine X2CRM v6.9 and older allows remote attackers to execute arbitrary code by injecting arbitrary web script or HTML via the "New Name" field of the "Rename a Module" tool.

When was CVE-2020-21087 disclosed?

CVE-2020-21087 was first published in the National Vulnerability Database on April 14, 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-2020-21087 actively exploited?

CVE-2020-21087 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-21087?

CVE-2020-21087 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2020-21087?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-21087, 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.

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CVE-2020-21087

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-21087?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)