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Fencer Vulns
medium 6.5

CVE-2020-26981 json

A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0).

published 2021-01-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19505

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

A vulnerability has been identified in JT2Go (All versions < V13.1.0), Teamcenter Visualization (All versions < V13.1.0). When opening a specially crafted xml file, the application could disclose arbitrary files to remote attackers. This is because of the passing of specially crafted content to the underlying XML parser without taking proper restrictions such as prohibiting an external dtd. (ZDI-CAN-11890)

Patch / fix

  • siemens jt2go 13.1.0
  • siemens teamcenter_visualization 13.1.0

Vendor advisories

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

cisa ICSA-21-012-03 updated cvss 5.6

Siemens JT2Go and Teamcenter Visualization (Update B)

  • Siemens JT2Go < 13.1.0, 13.1.0 (Only affected by CVE-2020-26989 CVE-2020-26990 CVE-2020-26991) Siemens Teamcenter Visualization < 13.1.0, 13.1.0 (Only affected by CVE-2020-26989 CVE-2020-26990 CVE-2020-26991)
    affected: vendor fix 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

2.62% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Siemens JT2Go
  • Siemens Teamcenter Visualization

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

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.