SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-7674

The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin.

MEDIUM 4.3EPSS 8.04%

Does this matter?

Lower severity and a low EPSS score (8.04%). Track it; it rarely justifies an emergency change on its own.

Description

The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
8.04% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-345
Affected
apache/tomcat
Source
security@apache.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.