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HIGH

CVE-2019-0190

CVSS v3

7.5

HIGH

EPSS Score

18.9 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

A bug exists in the way mod_ssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause mod_ssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later, due to an interaction in changes to handling of renegotiation attempts.

Technical details

Published
2019-01-30

Frequently asked questions

What is CVE-2019-0190?

A bug exists in the way mod_ssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause mod_ssl to enter a loop leading to a denial of service. This bug can be only triggered with Apache HTTP Server version 2.4.37 when using OpenSSL version 1.1.1 or later, due to an interaction in changes to handling of renegotiation attempts.

Is CVE-2019-0190 actively exploited?

Active exploitation of CVE-2019-0190 has not been confirmed. The EPSS score is 18.9%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-0190?

CVE-2019-0190 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2019-0190 affecting your environment?

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