CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
23.8%
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens’ ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
Successful exploitation of this vulnerability could allow an attacker to crash the application or execute arbitrary code if a user is tricked into opening a malicious file.
The following Siemens products are affected:
CVE-2024-23797, CVE-2024-23798, CVE-2024-
23802, CVE-2024-23804)
CVE-2024-23801, CVE-2024-23803)
CVE-2024-23797, CVE-2024-23798, CVE-2024-
23802, CVE-2024-23804)
CVE-2024-23801, CVE-2024-23803)
3.2.1 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out of bounds write past the end of an allocated buffer while parsing a specially crafted WRL file. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23795 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23795. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.2 HEAP-BASED BUFFER OVERFLOW CWE-122
The affected application is vulnerable to heap-based buffer overflow while parsing specially crafted WRL files. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23796 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23796. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.3 STACK-BASED BUFFER OVERFLOW CWE-121
The affected applications contain a stack overflow vulnerability while parsing specially crafted WRL files. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23797 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23797. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.4 STACK-BASED BUFFER OVERFLOW CWE-121
The affected applications contain a stack overflow vulnerability while parsing specially crafted WRL files. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23798 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23798. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.5 NULL POINTER DEREFERENCE CWE-476
The affected applications contain a null pointer dereference vulnerability while parsing specially crafted SPP files. An attacker could leverage this vulnerability to crash the application causing denial of service condition.
CVE-2024-23799 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).
A CVSS v4 score has also been calculated for CVE-2024-23799. A base score of 4.8 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N).
3.2.6 NULL POINTER DEREFERENCE CWE-476
The affected applications contain a null pointer dereference vulnerability while parsing specially crafted SPP files. An attacker could leverage this vulnerability to crash the application causing denial of service condition.
CVE-2024-23800 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).
A CVSS v4 score has also been calculated for CVE-2024-23800. A base score of 4.8 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N).
3.2.7 NULL POINTER DEREFERENCE CWE-476
The affected applications contain a null pointer dereference vulnerability while parsing specially crafted SPP files. An attacker could leverage this vulnerability to crash the application causing denial of service condition.
CVE-2024-23801 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).
A CVSS v4 score has also been calculated for CVE-2024-23801. A base score of 4.8 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N).
3.2.8 OUT-OF-BOUNDS READ CWE-125
The affected applications contain an out of bounds read past the end of an allocated structure while parsing specially crafted SPP files. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23802 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23802. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.9 OUT-OF-BOUNDS WRITE CWE-787
The affected application contains an out of bounds write past the end of an allocated buffer while parsing a specially crafted SPP file. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23803 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23803. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.2.10 STACK-BASED BUFFER OVERFLOW CWE-121
The affected applications contain a stack overflow vulnerability while parsing specially crafted PSOBJ files. This could allow an attacker to execute code in the context of the current process.
CVE-2024-23804 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been assigned; the CVSS vector string is (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
A CVSS v4 score has also been calculated for CVE-2024-23804. A base score of 7.3 has been assigned; the CVSS vector string is (CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
Siemens reported these vulnerabilities to CISA.
Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:
CVE-2024-23797, CVE-2024-23798, CVE-2024-23802, CVE-2024-23804): Update to V2201.0012 or later version
CVE-2024-23797, CVE-2024-23798, CVE-2024-23802, CVE-2024-23804): Update to V2302.0006 or later version
Siemens also recommends users do not open untrusted WRL, PSOBJ, or SPP files from using Tecnomatix Plant Simulation
As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens’ operational guidelines for industrial security and following recommendations in the product manuals.
Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage.
For more information see the associated Siemens security advisory SSA-017796 in HTML and CSAF.
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:
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 CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time. These vulnerabilities are not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23795
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23795
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23796
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23796
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23797
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23797
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23798
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23798
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23799
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23799
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23800
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23800
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23801
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23801
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23802
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23802
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23803
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23803
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23804
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-23804
cert-portal.siemens.com/productcert/csaf/ssa-017796.json
cert-portal.siemens.com/productcert/html/ssa-017796.html
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-24-046-07
cwe.mitre.org/data/definitions/121.html
cwe.mitre.org/data/definitions/121.html
cwe.mitre.org/data/definitions/121.html
cwe.mitre.org/data/definitions/122.html
cwe.mitre.org/data/definitions/125.html
cwe.mitre.org/data/definitions/476.html
cwe.mitre.org/data/definitions/476.html
cwe.mitre.org/data/definitions/476.html
cwe.mitre.org/data/definitions/787.html
cwe.mitre.org/data/definitions/787.html
github.com/cisagov/CSAF
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www.cisa.gov/resources-tools/resources/ics-recommended-practices
www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/topics/industrial-control-systems
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
23.8%