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CVE-2019-6593

UnknownEPSS 0.65%

Last modified

CVE-2019-6593 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

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.)

Metrics

EPSS Probability
0.65%

46.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Access Policy Manager11.6.1
F5Big-Ip Access Policy Manager12.1.0
F5Big-Ip Local Traffic Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Local Traffic Manager11.6.1
F5Big-Ip Local Traffic Manager12.1.0
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Advanced Firewall Manager11.6.1
F5Big-Ip Advanced Firewall Manager12.1.0
F5Big-Ip Analytics>= 11.5.1, <= 11.5.4
F5Big-Ip Analytics11.6.1
F5Big-Ip Analytics12.1.0
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Application Security Manager11.6.1
F5Big-Ip Application Security Manager12.1.0
F5Big-Ip Domain Name System>= 11.5.1, <= 11.5.4
F5Big-Ip Domain Name System11.6.1
F5Big-Ip Domain Name System12.1.0
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.5.4
F5Big-Ip Edge Gateway11.6.1
F5Big-Ip Edge Gateway12.1.0
F5Big-Ip Fraud Protection Service>= 11.5.1, <= 11.5.4
F5Big-Ip Fraud Protection Service11.6.1
F5Big-Ip Fraud Protection Service12.1.0
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Global Traffic Manager11.6.1
F5Big-Ip Global Traffic Manager12.1.0
F5Big-Ip Link Controller>= 11.5.1, <= 11.5.4
F5Big-Ip Link Controller11.6.1
F5Big-Ip Link Controller12.1.0
F5Big-Ip Policy Enforcement Manager>= 11.5.1, <= 11.5.4
F5Big-Ip Policy Enforcement Manager11.6.1
F5Big-Ip Policy Enforcement Manager12.1.0
F5Big-Ip Webaccelerator>= 11.5.1, <= 11.5.4
F5Big-Ip Webaccelerator11.6.1
F5Big-Ip Webaccelerator12.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.)
How severe is CVE-2019-6593?
Severity scoring for CVE-2019-6593 is pending analysis. The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6593?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST