CVE-2021-27782

MEDIUMNVD 5.47.5▲

5.4

HCL BigFix Mobile / Modern Client Management Admin and Config UI passwords can be brute-forced. User should be locked out for multiple invalid attempts.

CVSS v3: 5.4
EG Score: 7.5(medium)
EPSS: 40.7%
KEV: Not listed

Published

January 20, 2023

Last Modified

April 2, 2025

References (2)

psirt@hclhttps://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0102477
af854a3a-2127-422b-91ae-364da2661108https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0102477

Weakness Classification(1)

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

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 11× in last 7d / 18× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 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 08:17 UTCEG score recompute
2026-05-25 08:17 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-27782?

CVE-2021-27782 is a medium vulnerability published on January 20, 2023. HCL BigFix Mobile / Modern Client Management Admin and Config UI passwords can be brute-forced. User should be locked out for multiple invalid attempts.

When was CVE-2021-27782 disclosed?

CVE-2021-27782 was first published in the National Vulnerability Database on January 20, 2023, with the most recent update on April 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-27782 actively exploited?

CVE-2021-27782 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-27782?

CVE-2021-27782 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2021-27782?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-27782, 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

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CVE-2021-27782

📅 Published

🔄 Last Modified

🔗 References (2)