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CVE-2020-28384

26
FAUCET Score

CVE-2020-28384 is a stack-based buffer overflow vulnerability affecting Siemens Solid Edge SE2020 (all versions prior to MP12) and SE2021 (all versions prior to MP2). This flaw arises from insufficient validation of user-supplied data when parsing PAR files. With a CVSS score of 7.8 (HIGH), successful exploitation could allow an attacker to execute arbitrary code in the context of the current process, requiring user interaction (e.g., opening a malicious PAR file). Currently, there is no evidence of active exploitation, public exploit code (Metasploit, ExploitDB), or significant 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
2.84%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0284 is in the 86th 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-21-055
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-076
Third Party AdvisoryVDB Entry