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CVE-2021-41530

Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 are vulnerable to TCP reflected amplification…

High7.5EPSS 0.93%
Published
Updated
Reserved
Assigned by
forcepoint

Description

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.

Scores

CVSS scores of CVE-2021-41530, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.93% · top 39% of all CVEs (6 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • Reflected Amplification Denial of Service

Affected products

  • Forcepoint Next Generation Firewall

    • affected NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 are all vulnerable, if HTTP User Response has been configured.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .