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CVE-2021-41756

31
FAUCET Score

CVE-2021-41756 is a critical SQL injection vulnerability (CWE-89) affecting dynamicMarkt versions 3.10 and earlier, specifically within the 'kat' parameter of index.php. This flaw carries a CVSS score of 9.8, indicating a severe risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) or active exploitation has been observed, and community discussion is minimal, the high severity warrants immediate patching for affected systems.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.10CPE matchmatch criteria
cpe:2.3:a:dynamicvision:dynamicmarkt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 50th percentile among its peer group of 36,897 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

github.com / blockomat2100/PoCs/blob/main/dynamicMarkt/vulns.md
ExploitThird Party Advisory
heise.de / download/product/dynamicmarkt-3.10-marktplatz-software-90441
ProductThird Party Advisory