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Fencer Vulns
high 7.4

CVE-2022-0749 json

Deserialization of Untrusted Data

published 2022-03-17 4 y ago modified 2026-06-17 4 mo ago also GHSA-29rv-fqx2-4c9f , EUVD-2022-1267

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

This affects all versions of package SinGooCMS.Utility. The socket client in the package can pass in the payload via the user-controllable input after it has been established, because this socket client transmission does not have the appropriate restrictions or type bindings for the BinaryFormatter.

Exploit prediction

1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • snyk.io https://snyk.io/vuln/SNYK-DOTNET-SINGOOCMSUTILITY-2312979 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/SinGooCMS/SinGooCMSUtility/issues/1 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/SinGooCMS/SinGooCMSUtility/blob/master/SinGooCMS.Utility/Net/SocketClient.cs referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:P
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget SinGooCMS.Utility
<=1.6.2
 no fix listed

Affected products

  • n/a SinGooCMS.Utility

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.