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cve[email protected]CVE-2021-27432
HistoryMay 20, 2021 - 4:15 p.m.

CVE-2021-27432

2021-05-2016:15:07
CWE-674
web.nvd.nist.gov
33
4
cve-2021-27432
opc foundation
ua .net standard
opc ua .net legacy
uncontrolled recursion
stack overflow
nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.5%

OPC Foundation UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

Affected configurations

NVD
Node
opcfoundationua-.net-legacyMatch-
OR
opcfoundationua_.net_standard_stackRange<1.4.365.48

CNA Affected

[
  {
    "product": "OPC Foundation OPC UA .NET Standard and OPC UA .NET Legacy",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "OPC UA .NET Standard versions prior to 1.4.365.48 and OPC UA .NET Legacy"
      }
    ]
  }
]

Social References

More

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

41.5%

Related for CVE-2021-27432