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[email protected]CVE-2021-22764

HistoryJun 11, 2021 - 4:15 p.m.

CVE-2021-22764

2021-06-1116:15:10

CWE-287

[email protected]

web.nvd.nist.gov

cve-2021-22764

cwe-287

improper authentication

powerlogic

pm55xx

pm8ecc

egx100

egx300

modbus tcp protocol

security notification

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.6%

JSON

A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.

Affected configurations

NVD

Node

schneider-electricpowerlogic_pm5560_firmwareRange<2.7.8

AND

schneider-electricpowerlogic_pm5560Match-

Node

schneider-electricpowerlogic_pm5561_firmwareRange<10.7.3

AND

schneider-electricpowerlogic_pm5561Match-

Node

schneider-electricpowerlogic_pm5562_firmwareRange≤2.5.4

AND

schneider-electricpowerlogic_pm5562Match-

Node

schneider-electricpowerlogic_pm5563_firmwareRange<2.7.8

AND

schneider-electricpowerlogic_pm5563Match-

CPENameOperatorVersion
schneider-electric:powerlogic_pm5560_firmwareschneider-electric powerlogic pm5560 firmwarelt2.7.8

CPE	Name	Operator	Version
schneider-electric:powerlogic_pm5560_firmware	schneider-electric powerlogic pm5560 firmware	lt	2.7.8

CNA Affected

[
  {
    "product": "PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation) ",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation)"
      }
    ]
  }
]

References

download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02%2Chttp://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03

Social References

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

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

5.3 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

60.6%

JSON

Related for CVE-2021-22764

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