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CVE-2020-27996

28
FAUCET Score

CVE-2020-27996 is a high-severity vulnerability affecting SmartStoreNET versions prior to 4.0.1, stemming from improper handling of CustomModelPartAttribute decorations in ModelBase.CustomProperties. With a CVSS score of 8.8, this vulnerability allows an authenticated attacker to achieve high confidentiality, integrity, and availability impacts over the network with low attack complexity. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.1CPE matchmatch criteria
cpe:2.3:a:smartstore:smartstorenet:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 79th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / smartstore/SmartStoreNET/commit/8702c6140f4fc91956ef35dba12d24492fb3f768
PatchThird Party Advisory
github.com / smartstore/SmartStoreNET/compare/4.0.0...4.0.1
Release NotesThird Party Advisory
securitylab.github.com / advisories/GHSL-2020-138-139-SmartstoreAG-SmartStoreNET
ExploitThird Party Advisory