CVE-2021-22737

CRITICALNVD 9.89.8—

9.8

Insufficiently Protected Credentials vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access of when credentials are discovered after a brute force attack.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 53.9%
KEV: Not listed

Published

May 26, 2021

Last Modified

November 21, 2024

References (2)

cybersecurity@sehttps://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04
af854a3a-2127-422b-91ae-364da2661108https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-04

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 19× 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
2026-06-01 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
2026-05-31 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
2026-05-26 16:05 UTCEG score recompute
2026-05-26 16:05 UTCGHSA enrichment
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
2026-05-24 16:49 UTCepss_batch

Frequently asked(5)

What is CVE-2021-22737?

CVE-2021-22737 is a critical vulnerability published on May 26, 2021. Insufficiently Protected Credentials vulnerability exists in homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior that could cause unauthorized access of when credentials are discovered after a brute force attack.

When was CVE-2021-22737 disclosed?

CVE-2021-22737 was first published in the National Vulnerability Database on May 26, 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-2021-22737 actively exploited?

CVE-2021-22737 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-22737?

CVE-2021-22737 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-22737?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22737, 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-2021-22737

📅 Published

🔄 Last Modified

🔗 References (2)