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nvd[email protected]NVD:CVE-2020-6085
HistoryOct 19, 2020 - 9:15 p.m.

CVE-2020-6085

2020-10-1921:15:13
CWE-120
web.nvd.nist.gov
3
denial of service
allen-bradley flex io
enip request path logical segment
exploit
vulnerability

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

29.8%

An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability by sending an Electronic Key Segment with less than 0x18 bytes following the Key Format field.

Affected configurations

Nvd
Node
rockwellautomationflex_i\/o_1794-aentMatch4.003
AND
rockwellautomationflex_i\/o_1794-aentMatch-
VendorProductVersionCPE
rockwellautomationflex_i\/o_1794-aent4.003cpe:2.3:o:rockwellautomation:flex_i\/o_1794-aent:4.003:*:*:*:*:*:*:*
rockwellautomationflex_i\/o_1794-aent-cpe:2.3:h:rockwellautomation:flex_i\/o_1794-aent:-:*:*:*:*:*:*:*

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

29.8%

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