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cvelistTalosCVELIST:CVE-2021-21777
HistoryJun 17, 2021 - 10:48 a.m.

CVE-2021-21777

2021-06-1710:48:54
talos
www.cve.org
1
information disclosure
ethernet/ip
udp handler
out-of-bounds read

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

71.7%

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.

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"
      }
    ]
  }
]

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

AI Score

9.1

Confidence

High

EPSS

0.003

Percentile

71.7%

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