CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.6%
Successful exploitation of this vulnerability could allow an attacker to crash the CodeMeter Runtime Server, which could cause a denial-of-service condition.
The following versions of CodeMeter Runtime, a license manger, are affected:
A local attacker using the Microsoft Windows OS could cause CodeMeter Runtime to improperly control file access permissions by setting up a link to a special system file used with CmDongles. This could result in overwriting of essential files or a crash of the CodeMeter Runtime Server.
CVE-2021-41057 has been assigned to this vulnerability. A CVSS v3 base score of 7.1 has been assigned; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).
Jokūbas Arsoba reported this vulnerability to Wibu-Systems.
Wibu-Systems recommends the following:
The following measures are recommended to reduce the risk until the fixed version can be installed. Please be aware not all mitigations apply to every possible product configuration, so please check which of these could be relevant or applicable.
General security best practices can help protect systems from local and network attacks.
For more information on products dependent on the affected CodeMeter see the following vendor security advisories:
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-41057
cert-portal.siemens.com/productcert/pdf/ssa-580693.pdf
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-21-350-03
cwe.mitre.org/data/definitions/269.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Wibu-Systems%20CodeMeter%20Runtime+https://www.cisa.gov/news-events/ics-advisories/icsa-21-350-03
www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/recommended-practices
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-21-350-03&title=Wibu-Systems%20CodeMeter%20Runtime
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-21-350-03
www.oig.dhs.gov/
www.usa.gov/
www.whitehouse.gov/
www.wibu.com/support/security-advisories.html
www.wibu.com/us/support/user/downloads-user-software.html
www.youtube.com/@cisagov
mailto:?subject=Wibu-Systems%20CodeMeter%20Runtime&body=www.cisa.gov/news-events/ics-advisories/icsa-21-350-03
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
12.6%