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[email protected]CVE-2021-34567

HistoryNov 09, 2022 - 4:15 p.m.

CVE-2021-34567

2022-11-0916:15:00

CWE-125

[email protected]

web.nvd.nist.gov

cve-2021-34567

wago

i/o-check service

os command execution

denial of service

nvd

out-of-bounds read

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

53.8%

JSON

In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.

CPENameOperatorVersion
wago:750-8100_firmwarewago 750-8100 firmwarelt18
wago:750-8101_firmwarewago 750-8101 firmwarelt18
wago:750-8101\/025-000_firmwarewago 750-8101\/025-000 firmwarelt18
wago:750-8102_firmwarewago 750-8102 firmwarelt18
wago:750-8102\/025-000_firmwarewago 750-8102\/025-000 firmwarelt18
wago:750-8202_firmwarewago 750-8202 firmwarelt18
wago:750-8202\/000-011_firmwarewago 750-8202\/000-011 firmwarelt18
wago:750-8202\/000-012_firmwarewago 750-8202\/000-012 firmwarelt18
wago:750-8202\/000-022_firmwarewago 750-8202\/000-022 firmwarelt18
wago:750-8202\/025-000_firmwarewago 750-8202\/025-000 firmwarelt18

CPE	Name	Operator	Version
wago:750-8100_firmware	wago 750-8100 firmware	lt	18
wago:750-8101_firmware	wago 750-8101 firmware	lt	18
wago:750-8101\/025-000_firmware	wago 750-8101\/025-000 firmware	lt	18
wago:750-8102_firmware	wago 750-8102 firmware	lt	18
wago:750-8102\/025-000_firmware	wago 750-8102\/025-000 firmware	lt	18
wago:750-8202_firmware	wago 750-8202 firmware	lt	18
wago:750-8202\/000-011_firmware	wago 750-8202\/000-011 firmware	lt	18
wago:750-8202\/000-012_firmware	wago 750-8202\/000-012 firmware	lt	18
wago:750-8202\/000-022_firmware	wago 750-8202\/000-022 firmware	lt	18
wago:750-8202\/025-000_firmware	wago 750-8202\/025-000 firmware	lt	18

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References

cert.vde.com/en/advisories/VDE-2020-036/

Social References

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

53.8%

JSON

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