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CVE-2020-26987

27
FAUCET Score

CVE-2020-26987 is a heap-based buffer overflow vulnerability affecting Siemens JT2Go (all versions prior to V13.1.0) and Teamcenter Visualization (all versions prior to V13.1.0). This flaw stems from insufficient validation of user-supplied data during TGA file parsing. With a CVSS score of 8.8 (HIGH), this vulnerability allows an unauthenticated attacker to execute arbitrary code in the context of the current process through a low-complexity attack requiring user interaction. While the FAUCET Risk Score is 75/100, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 13.1.0CPE matchmatch criteria
cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
< 13.1.0CPE matchmatch criteria
cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.30%
Probability of exploitation in next 30 days
EPSS Percentile
90.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0430 is in the 90th percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-622830.pdf
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-059
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-061
Third Party AdvisoryVDB Entry