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Servers and applications

CVE-2018-5507

On F5 BIG-IP versions 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5, vCMP guests running on VIPRION 2100, 4200 and 4300 series blades cannot correctly decrypt ciphertext from established SSL sessions with small MTU.

Severity
High 7.5
Published
13 Apr 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.1% in the next 30 daysHigher than 65% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 11.5.1 up to 11.5.5
  • From 11.6.1 up to 11.6.2
  • From 12.1.0 up to 12.1.3
  • Version 13.0.0
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.5.1 up to 11.5.5
  • From 11.6.1 up to 11.6.2
  • From 12.1.0 up to 12.1.3
  • Version 13.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-5507
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-5507