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TalosCVE-2020-13556

HistoryDec 11, 2020 - 4:15 a.m.

CVE-2020-13556

2020-12-1104:15:11

CWE-787

talos

web.nvd.nist.gov

cve-2020-13556

vulnerability

ethernet/ip server

remote code execution

eip stack group opener

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.012

Percentile

85.7%

JSON

An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

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"
      },
      {
        "status": "affected",
        "version": "EIP Stack Group OpENer development commit 8c73bf3"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2020-1170

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.012

Percentile

85.7%

JSON

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