A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2).

published 2021-07-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20994

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The BMP_Loader.dll library in affected applications lacks proper validation of user-supplied data when parsing BMP files. A malformed input file could result in double free of an allocated buffer that leads to a crash. An attacker could leverage this vulnerability to cause denial of service condition. (CNVD-C-2021-79295)

Patch / fix

fixed in 2

siemens jt2go 13.2.0
siemens teamcenter_visualization 13.2.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-194-15 updated 2021-07-13 cvss 5.5

ICSA-21-194-15_Siemens JT2Go and Teamcenter Visualization

Siemens JT2Go < 13.2 Siemens Teamcenter Visualization < 13.2
affected: mitigation “JT2Go: Update to v13.2” cert-portal.siemens.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

Siemens JT2Go
Siemens Teamcenter Visualization

Classification

Weakness

CWE-415 Double Free

References

cert-portal.siemens.com /productcert/pdf/ssa-483182.pdf
vendor-advisory

Sources

CVE List CVE-2021-34333
NVD CVE-2021-34333

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary