CVE-2019-11323
MEDIUMCVSS 5.9/10EPSS 1.25%
Last modified
CVE-2019-11323 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.
Description
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haproxy | Haproxy | >= 1.9.2, < 1.9.7 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-11323?
HAProxy before 1.9.7 mishandles a reload with rotated keys, which triggers use of uninitialized, and very predictable, HMAC keys. This is related to an include/types/ssl_sock.h error.
How severe is CVE-2019-11323?
CVE-2019-11323 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.
How do I fix CVE-2019-11323?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2019-11323?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST