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CVE-2019-19886

HIGHCVSS 7.5/10EPSS 2.50%

Last modified

CVE-2019-19886 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive (Denial of Service) because of a flaw in Transaction::addRequestHeader in transaction.cc.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive (Denial of Service) because of a flaw in Transaction::addRequestHeader in transaction.cc.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OwaspModsecurity>= 3.0.0, <= 3.0.3
FedoraprojectFedora30
FedoraprojectFedora31
FedoraprojectFedora32

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19886?
Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive (Denial of Service) because of a flaw in Transaction::addRequestHeader in transaction.cc.
How severe is CVE-2019-19886?
CVE-2019-19886 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19886?
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.

Are you affected by CVE-2019-19886?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST