CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
50.2%
Successful exploitation of these vulnerabilities could lead the application to crash or potentially lead to arbitrary code execution.
The following versions of JT2Go and Teamcenter Visualization software tools are affected:
One of the DLL files associated with this product contains an out-of-bounds write past the end of an allocated structure while parsing specially crafted PDF files, which could allow an attacker to execute remote code.
CVE-2021-44001 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product contains an out-of-bounds write past the end of an allocated structure while parsing specially crafted JT files, which could allow an attacker to execute remote code.
CVE-2021-44002 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product is vulnerable to use of uninitialized memory while parsing user supplied TIFF files, which could allow an attacker to cause a denial-of-service condition.
CVE-2021-44003 has been assigned to this vulnerability. A CVSS v3 base score of 4.4 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing TIFF files, which could be leveraged to leak information.
CVE-2021-44004 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds write past the end of an allocated structure while parsing specially crafted TIFF files, which could allow an attacker to execute remote code.
CVE-2021-44005 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product contains an out-of-bounds write past the end of an allocated structure while parsing specially crafted TIFF files, which could allow an attacker to execute remote code.
CVE-2021-44006 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product contains an off-by-one error in the heap while parsing specially crafted TIFF files, which could allow an attacker to cause a denial-of-service condition.
CVE-2021-44007 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing TIFF files, which could be leveraged to leak information.
CVE-2021-44008 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing TIFF files, which could be leveraged to leak information.
CVE-2021-44009 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing TIFF files, which could be leveraged to leak information.
CVE-2021-44010 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing specially crafted JT files, which could be leveraged to leak information.
CVE-2021-44011 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing specially crafted JT files, which could be leveraged to leak information.
CVE-2021-44012 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds write past the end of an allocated structure while parsing specially crafted JT files, which could allow an attacker to execute remote code.
CVE-2021-44013 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product contains a use-after-free vulnerability that could be triggered while parsing specially crafted JT files, which could allow an attacker to execute remote code.
CVE-2021-44014 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing specially crafted CGM files, which could be leveraged to leak information.
CVE-2021-44015 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
One of the DLL files associated with this product contains an out-of-bounds read past the end of an allocated buffer when parsing specially crafted TIFF files, which could be leveraged to leak information.
CVE-2021-44017 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).
Mat Powell of Trend Microβs Zero Day Initiative and Jin Huang from ADLab reported these vulnerabilities.
Siemens recommends updating to the latest versions, specifically:
Siemens has identified the following specific workarounds and mitigations users can apply to reduce the risk:
As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemensβ operational guidelines for industrial security, and follow the recommendations in the product manuals. Additional information on industrial security by Siemens can be found at: <https://www.siemens.com/industrialsecurity>
Please see Siemens security advisory SSA-595101 for more information.
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 us-cert.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 us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted 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 these vulnerabilities. These vulnerabilities are not exploitable remotely.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44001
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44002
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44003
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44004
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44005
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44006
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44007
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44008
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44009
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44010
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44011
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44012
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44013
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44014
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44015
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44017
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us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
50.2%