CVE-2020-27996

Name: CVE-2020-27996
Creator: NVD / NIST
Published: 2020-10-29T18:15:12.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.15%

Last modified Jun 17, 2026

CVE-2020-27996 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in SmartStoreNET before 4.0.1. It does not properly consider the need for a CustomModelPartAttribute decoration in certain ModelBase.CustomProperties situations.. EPSS estimates a 2.15% chance of exploitation in the next 30 days.

Description

An issue was discovered in SmartStoreNET before 4.0.1. It does not properly consider the need for a CustomModelPartAttribute decoration in certain ModelBase.CustomProperties situations.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.15%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Smartstore	Smartstorenet	< 4.0.1

References

https://github.com/smartstore/SmartStoreNET/commit/8702c6140f4fc91956ef35dba12d24492fb3f768Patch, Third Party Advisory
https://github.com/smartstore/SmartStoreNET/compare/4.0.0...4.0.1Release Notes, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-138-139-SmartstoreAG-SmartStoreNETExploit, Third Party Advisory
https://github.com/smartstore/SmartStoreNET/commit/8702c6140f4fc91956ef35dba12d24492fb3f768Patch, Third Party Advisory
https://github.com/smartstore/SmartStoreNET/compare/4.0.0...4.0.1Release Notes, Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-138-139-SmartstoreAG-SmartStoreNETExploit, Third Party Advisory

Timeline

Published: Oct 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27996?

An issue was discovered in SmartStoreNET before 4.0.1. It does not properly consider the need for a CustomModelPartAttribute decoration in certain ModelBase.CustomProperties situations.

How severe is CVE-2020-27996?

CVE-2020-27996 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27996?

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-2020-27996?

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

Scan your code now

Source: NVD / NIST