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-2021-12570

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
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 PAR files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12529)

Patch / fix

fixed in 2

siemens solid_edge_se2020 se2020mp14
siemens solid_edge_se2021 se2021mp4

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

1.44% chance of exploitation in the next 30 days, higher than 73% 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-787 Out-of-bounds Write

References

cert-portal.siemens.com /productcert/pdf/ssa-574442.pdf
vendor-advisory
zerodayinitiative.com /advisories/ZDI-21-611/
third-party-advisory, vdb-entry

Sources

CVE List CVE-2021-25678
NVD CVE-2021-25678

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