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CVE-2020-9690

18
FAUCET Score

CVE-2020-9690 is an observable timing discrepancy vulnerability affecting Magento versions 2.3.5-p1 and earlier. This medium-severity vulnerability (CVSS 4.2) requires high privileges and user interaction, allowing an attacker to bypass signature verification. While the FAUCET Risk Score is low (9/100), successful exploitation could lead to significant integrity impacts. There is no evidence of active exploitation, nor are public exploit codes like Metasploit or ExploitDB modules available, though it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.5CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
< 2.3.5CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
2.3.5CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.5:-:*:*:commerce:*:*:*
2.3.5CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.5:-:*:*:open_source:*:*:*
2.3.5CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.5:p1:*:*:commerce:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.2MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 95th percentile among its peer group of 177 CVEs.

Social Chatter

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

Media Mentions

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 (2)

adobepatch availablevia nvd_reference
View patch
composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.3.5-p2

Vendor Advisories (1)

composerGHSA-xgp9-j48h-jjf9medium

Magento observable timing discrepancy vulnerability

May 24, 2022

References

helpx.adobe.com / security/products/magento/apsb20-47.html
PatchVendor Advisory