SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-39456

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2.

HIGH 7.5EPSS 53.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 53.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Improper Input Validation vulnerability in Apache Traffic Server with malformed HTTP/2 frames.This issue affects Apache Traffic Server: from 9.0.0 through 9.2.2. Users are recommended to upgrade to version 9.2.3, which fixes the issue.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
53.76% probability · 99th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
apache/traffic server · fedoraproject/fedora
Source
security@apache.org

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