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CVE-2020-5854

On BIG-IP 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.0-11.6.5.1, the tmm crashes under…

Medium5.9EPSS 0.81%
Published
Updated
Reserved
Assigned by
f5

Description

On BIG-IP 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.0-11.6.5.1, the tmm crashes under certain circumstances when using the connector profile if a specific sequence of connections are made.

Timeline

  1. ID reserved

    By f5

  2. · 31 days later

    Published

  3. · 4 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-2020-5854, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1Medium5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.81% · top 43% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Weakness

  • DoS

Affected products

  • F5 · BIG-IP

    • affected 15.0.0-15.0.1.1
    • affected 14.1.0-14.1.2.2
    • affected 14.0.0-14.0.1
    • affected 13.1.0-13.1.3.1
    • affected 12.1.0-12.1.5
    • affected 11.6.0-11.6.5.1

References (1)

Sources

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

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Record last updated .