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Fencer Intel
critical 9.8

CVE-2023-32571 in the critical feed json

Dynamic Linq vulnerable to remote code execution

published 3y ago modified 4mo ago also GHSA-w65q-jcmv-28gj , EUVD-2023-1897

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
34.9%
EPSS 34.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Dynamic Linq 1.0.7.10 through 1.2.25 before 1.3.0 allows attackers to execute arbitrary code and commands when untrusted input to methods including Where, Select, OrderBy is parsed.

Patch / fix

  • nuget System.Linq.Dynamic.Core 1.3.0

Is CVE-2023-32571 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

34.90% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-14).

Exploits and checks

  • research.nccgroup.com https://research.nccgroup.com/2023/06/13/dynamic-linq-injection-remote-code-execution-vulnerability-cve-2023-32571/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 System.Linq.Dynamic.Core
>=1.0.7.10, <1.3.0
1.3.0

Classification

Weakness

References

Sources

Fencer Intel 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.