A vulnerability has been identified in Solid Edge SE2020 (All versions < SE2020MP13), Solid Edge SE2020 (All versions < SE2020MP14), Solid…

published 2021-04-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14137

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

A vulnerability has been identified in Solid Edge SE2020 (All versions < SE2020MP13), Solid Edge SE2020 (All versions < SE2020MP14), Solid Edge SE2021 (All Versions < SE2021MP4). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13040)

Patch / fix

fixed in 1

siemens solid_edge_se2021 se2021mp14

Vendor advisories

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

cisa ICSA-21-103-06 updated 2025-05-06 cvss 7.8

Siemens Solid Edge File Parsing (Update A)

Siemens Solid Edge SE2020 <SE2020MP13, <SE2020MP14 Siemens Solid Edge SE2021 <SE2021MP4
affected: vendor fix, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

2.30% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Siemens Solid Edge SE2020
Siemens Solid Edge SE2021

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

cert-portal.siemens.com /productcert/pdf/ssa-574442.pdf
vendor-advisory
us-cert.cisa.gov /ics/advisories/icsa-21-103-06
third-party-advisory, us-government-resource
zerodayinitiative.com /advisories/ZDI-21-612/
third-party-advisory, vdb-entry

Sources

CVE List CVE-2021-27382
NVD CVE-2021-27382

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