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CVE-2021-20093

Published: Jun 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-125
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
33.3%
Top 1.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-125

Affected Products

codemeterwibu
On-prem
Security Products / vuln-mgmt-scanner
pss capesiemens
On-prem
Enterprise Software / collaboration-groupware
sicam 230 firmwaresiemens
On-prem
Enterprise Software / collaboration-groupware
simatic information serversiemens
On-prem
Enterprise Software / collaboration-groupware
simatic pcs neosiemens
On-prem
ICS / OT / IoT / plc-scada-hmi
wibucommercialSecurity Productsaka codemeter, wibukey
siemenscommercialDEEnterprise Softwareaka siemens ag
and 17 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
cdn.wibu.com
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
cert-portal.siemens.com
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
us-cert.cisa.gov
and 20 more references View all →

Timeline

Published
Jun 16, 2021
Last Updated
Nov 21, 2024

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