CVE-2018-8034

HIGHCVSS 7.5/10EPSS 21.30%

Last modified

CVE-2018-8034 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. EPSS estimates a 21.30% chance of exploitation in the next 30 days.

Description

The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
21.30%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ApacheTomcat>= 7.0.35, <= 7.0.88
ApacheTomcat>= 8.0.0, <= 8.0.52
ApacheTomcat>= 8.5.0, <= 8.5.31
ApacheTomcat>= 9.0.1, <= 9.0.9
ApacheTomcat8.0.0Rc1
ApacheTomcat9.0.0Milestone1
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
DebianDebian Linux8.0
DebianDebian Linux9.0
OracleRetail Order Broker5.1
OracleRetail Order Broker5.2
OracleRetail Order Broker15.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-8034?
The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.
How severe is CVE-2018-8034?
CVE-2018-8034 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 21.30% probability of exploitation in the next 30 days.
How do I fix CVE-2018-8034?
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-2018-8034?

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

Scan your code now

Source: NVD / NIST