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CVE-2021-20094

A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.

Published: Jun 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-125
7.5HIGH
NVD MITRE
EPSS Score
4.7%
Top 9.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

WIBU Systems published information about two vulnerabilities and an associated fix release version of CodeMeter Runtime, a product provided by WIBU Systems and used in several Siemens products for license management. The vulnerabilities are described in the section "Vulnerability Classification" below and got assigned the CVE IDs CVE-2021-20093 and CVE-2021-20094. Successful exploitation of these vulnerabilities could allow an attacker to read data from the heap of the CodeMeter Runtime network server, or crash the CodeMeter Runtime Server (i.e., CodeMeter.exe). Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI: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:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-125

Affected Products

Siemens AG
commercial·DEaka siemens
PSS(R)CAPE
ICS / OT / IoT
SICAM 230
ICS / OT / IoT
pss cape
ICS / OT / IoT
sicam 230 firmware
ICS / OT / IoT
WIBU-SYSTEMS AG
commercial·DEaka wibukey, codemeter runtime, wibukey network server management
CodeMeter RuntimeOn-prem
Security Products / pki-crypto
wibu
commercialaka wibukey, codemeter
codemeterOn-prem
Security Products / vuln-mgmt-scanner
and 1 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf&#13;
cdn.wibu.com
https://www.cisa.gov/uscert/ics/advisories/icsa-21-210-02&#13;
cisa.gov
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf&#13;
cert-portal.siemens.com
and 20 more references View all →

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