CVE-2019-5592

CVE-2019-5592 is a medium-severity vulnerability in Fortinet Fortios Ips Engine with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Description

Multiple padding oracle vulnerabilities (Zombie POODLE, GOLDENDOODLE, OpenSSL 0-length) in the CBC padding implementation of FortiOS IPS engine version 5.000 to 5.006, 4.000 to 4.036, 4.200 to 4.219, 3.547 and below, when configured with SSL Deep Inspection policies and with the IPS sensor enabled, may allow an attacker to decipher TLS connections going through the FortiGate via monitoring the traffic in a Man-in-the-middle position.

Frequently asked questions

What is CVE-2019-5592?
Multiple padding oracle vulnerabilities (Zombie POODLE, GOLDENDOODLE, OpenSSL 0-length) in the CBC padding implementation of FortiOS IPS engine version 5.000 to 5.006, 4.000 to 4.036, 4.200 to 4.219, 3.547 and below, when configured with SSL Deep Inspection policies and with the IPS sensor enabled, may allow an attacker to decipher TLS connections going through the FortiGate via monitoring the traffic in a Man-in-the-middle position.
How severe is CVE-2019-5592?
CVE-2019-5592 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-5592 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5592?
CVE-2019-5592 affects Fortinet Fortios Ips Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5592?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5592 published?
CVE-2019-5592 was published on 2019-08-23 and last updated on 2026-06-17.

References

Affected products (1)

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