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CVE-2021-41530

HIGH · CVSS 7.5EPSS 0.9%EU EUVD

Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 are vulnerable to TCP reflected amplification vulnerability, if HTTP User Response has been configured.

Key facts

CVSS score
7.5 (v3.1)
Severity
HIGH
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS score
0.9% (60th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2021-28549)
Published
October 4, 2021
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-28549 in the EU Vulnerability Database. Last updated in EUVD on August 4, 2024.

View on the EU Vulnerability Database

Affected products

  • forcepoint / next generation firewall
  • forcepoint / next generation firewall

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2021-41530: HIGH severity (CVSS 7.5)