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CVE-2020-15243

24
FAUCET Score

CVE-2020-15243 describes a critical authentication bypass vulnerability in Smartstore versions 4.0.0 and 4.0.1, specifically when the Web API plugin is installed and active. The absence of a WebApi Authentication attribute allows unauthenticated attackers to access sensitive API functionalities. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). While there is no evidence of active exploitation, public exploit code, or significant community discussion, affected users are advised to update to Smartstore 4.0.x or uninstall the Web API plugin as a workaround.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:a:smartstore:smartstore:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:smartstore:smartstore:4.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
64.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 51st percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / smartstore/SmartStoreNET/security/advisories/GHSA-8g9m-jx26-qp4h
Third Party Advisory