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MitreCVELIST:CVE-2021-30065

HistoryApr 03, 2022 - 9:59 p.m.

CVE-2021-30065

2022-04-0321:59:18

mitre

www.cve.org

schneider electric

connexium tofino

firewall

belden

tofino xenon

security appliance

modbus

bypass

cve-2021-30065

incomplete fix

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

64.7%

JSON

On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23, TCSEFEA23F3F20/21, and Belden Tofino Xenon Security Appliance, crafted ModBus packets can bypass the ModBus enforcer. NOTE: this issue exists because of an incomplete fix of CVE-2017-11401.

References

download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05

www.belden.com/support/security-assurance

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

8.4

Confidence

High

EPSS

0.002

Percentile

64.7%

JSON

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