CVE-2021-26474

HIGHNVD 8.68.8▲

8.6

Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.)

CVSS v3: 8.6
EG Score: 8.8(medium)
EPSS: 46.3%
KEV: Not listed

Published

June 8, 2021

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://csirt.divd.nl/2021/05/11/Vembu-zero-days/
cve@mitrehttps://csirt.divd.nl/cases/DIVD-2020-00011/
cve@mitrehttps://csirt.divd.nl/cves/CVE-2021-26474/
cve@mitrehttps://www.wbsec.nl/vembu
af854a3a-2127-422b-91ae-364da2661108https://csirt.divd.nl/2021/05/11/Vembu-zero-days/
af854a3a-2127-422b-91ae-364da2661108https://csirt.divd.nl/cases/DIVD-2020-00011/
af854a3a-2127-422b-91ae-364da2661108https://csirt.divd.nl/cves/CVE-2021-26474/
af854a3a-2127-422b-91ae-364da2661108https://www.wbsec.nl/vembu

Weakness Classification(2)

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

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 15:20 UTCEG score recompute
2026-05-26 15:20 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-26474?

CVE-2021-26474 is a high vulnerability published on June 8, 2021. Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.)

When was CVE-2021-26474 disclosed?

CVE-2021-26474 was first published in the National Vulnerability Database on June 8, 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-2021-26474 actively exploited?

CVE-2021-26474 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-26474?

CVE-2021-26474 has a CVSS v3 base score of 8.6 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.

How do I remediate CVE-2021-26474?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-26474, 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-2021-26474

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-26474?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)