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TalosCVE-2021-21777

HistoryJun 17, 2021 - 11:15 a.m.

CVE-2021-21777

2021-06-1711:15:07

CWE-125

talos

web.nvd.nist.gov

cve-2021-21777

information disclosure

ethernet/ip

udp handler

eip stack group opener

out-of-bounds read

CVSS2

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.003

Percentile

71.7%

JSON

An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read.

Affected configurations

Nvd

Vulners

Node

opener_projectopenerMatch2.3

VendorProductVersionCPE
opener_projectopener2.3cpe:2.3:a:opener_project:opener:2.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
opener_project	opener	2.3	cpe:2.3:a:opener_project:opener:2.3:::::::*

CNA Affected

[
  {
    "product": "EIP Stack Group",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "EIP Stack Group OpENer 2.3 ,EIP Stack Group OpENer development commit 8c73bf3"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2021-1234

Social References

CVSS2

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.003

Percentile

71.7%

JSON

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