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CVE-2021-3412

24
FAUCET Score

CVE-2021-3412 describes a missing brute-force protection vulnerability in all versions of the 3Scale developer portal, affecting Red Hat 3scale and 3scale API Management. This flaw allows an unauthenticated attacker to bypass login controls with low attack complexity. Successful exploitation could lead to unauthorized access to sensitive information, potential data manipulation, or further system compromise. While rated as HIGH severity (CVSS 7.3), there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:redhat:3scale:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:3scale_api_management:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 27th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Patches (2)

redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: system

Vendor Advisories (1)

redhatCVE-2021-3412Moderate

3scale: lack of brute force protection on dev portal login

Feb 12, 2021

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory