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[email protected]NVD:CVE-2017-6030

HistoryJun 30, 2017 - 3:29 a.m.

CVE-2017-6030

2017-06-3003:29:00

CWE-343

CWE-331

[email protected]

web.nvd.nist.gov

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

Confidence

High

EPSS

0.001

Percentile

36.3%

JSON

A Predictable Value Range from Previous Values issue was discovered in Schneider Electric Modicon PLCs Modicon M221, firmware versions prior to Version 1.5.0.0, Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The affected products generate insufficiently random TCP initial sequence numbers that may allow an attacker to predict the numbers from previous values. This may allow an attacker to spoof or disrupt TCP connections.

Affected configurations

Nvd

Node

schneider-electricmodicon_m241_firmwareRange≤4.0.3.20

AND

schneider-electricmodicon_m241Match-

Node

schneider-electricmodicon_m251_firmwareRange≤4.0.3.20

AND

schneider-electricmodicon_m251Match-

Node

schneider-electricmodicon_m221_firmwareRange≤1.1.1.5

AND

schneider-electricmodicon_m221Match-

VendorProductVersionCPE
schneider-electricmodicon_m241_firmware*cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_m241-cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
schneider-electricmodicon_m251_firmware*cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_m251-cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
schneider-electricmodicon_m221_firmware*cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
schneider-electricmodicon_m221-cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
schneider-electric	modicon_m241_firmware	*	cpe:2.3:o:schneider-electric:modicon_m241_firmware::::::::
schneider-electric	modicon_m241	-	cpe:2.3:h:schneider-electric:modicon_m241:-:::::::*
schneider-electric	modicon_m251_firmware	*	cpe:2.3:o:schneider-electric:modicon_m251_firmware::::::::
schneider-electric	modicon_m251	-	cpe:2.3:h:schneider-electric:modicon_m251:-:::::::*
schneider-electric	modicon_m221_firmware	*	cpe:2.3:o:schneider-electric:modicon_m221_firmware::::::::
schneider-electric	modicon_m221	-	cpe:2.3:h:schneider-electric:modicon_m221:-:::::::*

References

www.securityfocus.com/bid/97254

ics-cert.us-cert.gov/advisories/ICSA-17-089-02

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

Confidence

High

EPSS

0.001

Percentile

36.3%

JSON

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