Vulnerability in F5 Big-Ip Access Policy Manager
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 Zombie POODLE and GOLDENDOODLE.)
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.007 (47.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- F5 Big-ip_access_policy_manager — versions 11.6.1, 12.1.0
- F5 Big-ip_advanced_firewall_manager — versions 11.6.1, 12.1.0
- F5 Big-ip_analytics — versions 11.6.1, 12.1.0
- F5 Big-ip_application_security_manager — versions 11.6.1, 12.1.0
- F5 Big-ip_domain_name_system — versions 11.6.1, 12.1.0
- F5 Big-ip_edge_gateway — versions 11.6.1, 12.1.0
- F5 Big-ip_fraud_protection_service — versions 11.6.1, 12.1.0
- F5 Big-ip_global_traffic_manager — versions 11.6.1, 12.1.0
- F5 Big-ip_link_controller — versions 11.6.1, 12.1.0
- F5 Big-ip_local_traffic_manager — versions 11.6.1, 12.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6593?
- CVE-2019-6593 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2019-02-26.
- How severe is CVE-2019-6593?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-6593 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.