All vulnerabilities

Servers and applications

CVE-2019-6593

On BIG-IP 11.5.1-11.5.4, 11.6.1, and 12.1.0, a virtual server configured with a Client SSL profile may be vulnerable to a chosen ciphertext attack against CBC ciphers. When exploited, this may result in plaintext recovery of encrypted messages through a man-in-the-middle (MITM) attack, despite the attacker not having gained access to the server's private key itself. (CVE-2019-6593 also known as…

Severity
Medium 5.9
Published
26 Feb 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.7% in the next 30 daysHigher than 51% 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 11.5.4
  • Version 11.6.1
  • Version 12.1.0
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 11.5.1 up to 11.5.4
  • Version 11.6.1
  • Version 12.1.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-6593
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-6593