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CVE-2022-36795

BIG-IP software SYN cookies vulnerability CVE-2022-36795

Description

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.

Timeline

  1. ID reserved

    By f5

  2. · 19 days later

    Published

  3. · 3 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-36795, by who scored it
Scored byCVSSScoreVector
f5CNA (assigner)3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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)
0.75% · top 45% of all CVEs (10 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Affected products

  • F5 · BIG-IP

    • affected 17.0.x – < 17.0.0.1
    • affected 16.1.x – < 16.1.3.1
    • affected 15.1.x – < 15.1.7
    • affected 14.1.x – < 14.1.5.1
    • unaffected 13.1.0 – < 13.1.x*

References

1

Sources

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

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Record last updated .