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CVE-2021-42544

29
FAUCET Score

CVE-2021-42544 describes a critical missing rate limiting vulnerability in the login form of Business-DNA Solutions GmbH’s TopEase Platform versions <= 7.1.27. This flaw allows unauthenticated remote attackers to perform unlimited login attempts, facilitating brute-force attacks to gain unauthorized access and privileges. With a CVSS score of 9.8 (Critical), the vulnerability is easily exploitable over the network with low complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high FAUCET Risk Score of 80/100 indicates significant inherent risk.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.1.27CPE matchmatch criteria
cpe:2.3:a:businessdnasolutions:topease:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
69.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 56th percentile among its peer group of 36,862 CVEs.

Social Chatter

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

confluence.topease.ch / confluence/display/DOC/Release+Notes
Release NotesVendor Advisory