SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3541

Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

MEDIUM 6.5EPSS 1.96%

Does this matter?

Lower severity and a low EPSS score (1.96%). Track it; it rarely justifies an emergency change on its own.

Description

A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.96% probability · 79th percentile
CISA KEV
Not listed
Weakness
CWE-776
Affected
xmlsoft/libxml2 · redhat/jboss core services · oracle/zfs storage appliance kit · netapp/active iq unified manager · netapp/cloud backup · netapp/clustered data ontap · netapp/clustered data ontap antivirus connector · netapp/manageability software development kit · netapp/ontap select deploy administration utility · netapp/smi-s provider · netapp/snapdrive · netapp/h410c firmware · netapp/h300s firmware · netapp/h500s firmware · netapp/h700s firmware · netapp/h300e firmware · netapp/h500e firmware · netapp/h700e firmware · netapp/h410s firmware
Source
secalert@redhat.com

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