Medium severity · published Jul 9, 2021
CVE-2021-3541
A flaw was found in libxml2
6.5
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libxml2 ·
2.9.11 · source: vendor, NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
CD
Clustered Data Ontap Antivirus Connector · Netapp
All versions, or not specified · source: NVD
HF
H300e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H300s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410c Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500e Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H700e Firmware · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3541
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3541
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1950515
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0007/
Patch
https://www.oracle.com/security-alerts/cpujan2022.html
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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7.8
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6.1
CVE-2016-3709
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5.9
CVE-2021-3537
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