CVE-2021-27382

Name: CVE-2021-27382
Creator: NVD / NIST
Published: 2021-04-22T21:15:10.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.30%

Last modified Jun 17, 2026

CVE-2021-27382 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 2.30% chance of exploitation in the next 30 days.

Description

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)

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

2.30%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Solid Edge Se2020	<= se2020mp13
Siemens	Solid Edge Se2021	< se2021mp14

References

https://cert-portal.siemens.com/productcert/pdf/ssa-574442.pdfVendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-06Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-612/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-574442.pdfVendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-06Third Party Advisory, US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-21-612/Third Party Advisory, VDB Entry

Timeline

Published: Apr 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27382?

How severe is CVE-2021-27382?

CVE-2021-27382 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27382?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27382?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST