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High severity · published Dec 14, 2021
CVE-2021-44438
A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0)
7.8
CVSS
0.8%
EPSS
No
On KEV
Description
A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products is vulnerable to an out of bounds write past the end of an allocated structure while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-14907)
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
JT Open Toolkit · Siemens
before 11.1.1.0 · source: NVD
JU
JT Utilities · Siemens
before 13.1.1.0 · source: NVD
Affected product
JO
JT Open Toolkit
Siemens
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44438
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-44438
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf
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