SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30468

A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely.

HIGH 7.5EPSS 7.02%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.

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
7.02% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-400, CWE-835
Affected
apache/cxf · apache/tomee · oracle/business intelligence · oracle/communications element manager · oracle/communications messaging server
Source
security@apache.org

References

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