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CVE-2020-28386

26
FAUCET Score

CVE-2020-28386 is an out-of-bounds write vulnerability affecting Siemens Solid Edge SE2020 (prior to MP12) and SE2021 (prior to MP2). This flaw arises from insufficient validation of user-supplied data within DFT files, allowing an attacker to potentially execute arbitrary code. Rated 7.8 HIGH on CVSS, it requires local access and user interaction (e.g., opening a malicious DFT file) for exploitation, leading to high impacts on confidentiality, integrity, and availability. There is currently no public exploit code, Metasploit modules, or evidence of active exploitation, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< se2020CPE matchmatch criteria
cpe:2.3:a:siemens:solid_edge:*:*:*:*:*:*:*:*
se2020CPE matchmatch criteria
cpe:2.3:a:siemens:solid_edge:se2020:-:*:*:*:*:*:*
se2020CPE matchmatch criteria
cpe:2.3:a:siemens:solid_edge:se2020:maintenance_pack1:*:*:*:*:*:*
se2020CPE matchmatch criteria
cpe:2.3:a:siemens:solid_edge:se2020:maintenance_pack10:*:*:*:*:*:*
se2020CPE matchmatch criteria
cpe:2.3:a:siemens:solid_edge:se2020:maintenance_pack11:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.63%
Probability of exploitation in next 30 days
EPSS Percentile
83.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0262 is in the 84th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-979834.pdf
Vendor Advisory
us-cert.cisa.gov / ics/advisories/icsa-21-012-04
Third Party AdvisoryUS Government Resource
zerodayinitiative.com / advisories/ZDI-21-060
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-077
Third Party AdvisoryVDB Entry