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Fencer Intel
medium 5.3

CVE-2024-45526 json

Security Update for the OPC UA .NET Standard Stack

published 2y ago modified 4mo ago also GHSA-7vfh-cqpc-4267 , EUVD-2024-2986

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An issue was discovered in OPC Foundation OPCFoundation/UA-.NETStandard through 1.5.374.78. A remote attacker can send requests with invalid credentials and cause the server performance to degrade gradually.

Patch / fix

  • nuget OPCFoundation.NetStandard.Opc.Ua 1.5.374.118
  • nuget OPCFoundation.NetStandard.Opc.Ua.Core 1.5.374.118

Is CVE-2024-45526 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
none
Automatable
yes
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
nuget OPCFoundation.NetStandard.Opc.Ua
<1.5.374.118
1.5.374.118
nuget OPCFoundation.NetStandard.Opc.Ua.Core
<1.5.374.118
1.5.374.118

Affected products

  • opcfoundation ua-.netstandard

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

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.