Out-of-bounds Read in Siemens Jt2go

CVE-2021-34320

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Jt981.dll library in affected applications lacks proper validation of user-supplied data when parsing JT files. This could result in an out of bounds read past the end of an allocated buffer. An attacker could leverage this vulnerability to leak information in the context of the current process. (ZDI-CAN-13406)

EPSS: 0.013 (68.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34320?
CVE-2021-34320 is a medium-severity vulnerability in Siemens Jt2go, classified under Buffer Over-read. CVSS score: 5.5/10. Published 2021-07-13.
How severe is CVE-2021-34320?
Medium severity. CVSS v3 base score is 5.5 out of 10.