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[email protected]NVD:CVE-2019-1590

HistoryMay 03, 2019 - 3:29 p.m.

CVE-2019-1590

2019-05-0315:29:00

CWE-295

[email protected]

web.nvd.nist.gov

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

60.9%

JSON

A vulnerability in the Transport Layer Security (TLS) certificate validation functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to perform insecure TLS client authentication on an affected device. The vulnerability is due to insufficient TLS client certificate validations for certificates sent between the various components of an ACI fabric. An attacker who has possession of a certificate that is trusted by the Cisco Manufacturing CA and the corresponding private key could exploit this vulnerability by presenting a valid certificate while attempting to connect to the targeted device. An exploit could allow the attacker to gain full control of all other components within the ACI fabric of an affected device.

Affected configurations

Nvd

Node

cisconx-osMatch8.3\(0\)sk\(0.39\)

cisconx-osMatch14.1\(0.90\)

AND

cisconexus_9000Match-

cisconexus_92160yc-xMatch-

cisconexus_92300ycMatch-

cisconexus_92304qcMatch-

cisconexus_9236cMatch-

cisconexus_9272qMatch-

cisconexus_93108tc-exMatch-

cisconexus_93108tc-fxMatch-

cisconexus_93120txMatch-

cisconexus_93128txMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-fxMatch-

cisconexus_93240yc-fx2Match-

cisconexus_9332cMatch-

cisconexus_9332pqMatch-

cisconexus_9336c-fx2Match-

cisconexus_9336pqMatch-

cisconexus_9348gc-fxpMatch-

cisconexus_9364cMatch-

cisconexus_9372pxMatch-

cisconexus_9372px-eMatch-

cisconexus_9372txMatch-

cisconexus_9372tx-eMatch-

cisconexus_9396pxMatch-

cisconexus_9396txMatch-

cisconexus_9508Match-

VendorProductVersionCPE
cisconx-os8.3(0)sk(0.39)cpe:2.3:o:cisco:nx-os:8.3\(0\)sk\(0.39\):*:*:*:*:*:*:*
cisconx-os14.1(0.90)cpe:2.3:o:cisco:nx-os:14.1\(0.90\):*:*:*:*:*:*:*
cisconexus_9000-cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:*
cisconexus_92160yc-x-cpe:2.3:h:cisco:nexus_92160yc-x:-:*:*:*:*:*:*:*
cisconexus_92300yc-cpe:2.3:h:cisco:nexus_92300yc:-:*:*:*:*:*:*:*
cisconexus_92304qc-cpe:2.3:h:cisco:nexus_92304qc:-:*:*:*:*:*:*:*
cisconexus_9236c-cpe:2.3:h:cisco:nexus_9236c:-:*:*:*:*:*:*:*
cisconexus_9272q-cpe:2.3:h:cisco:nexus_9272q:-:*:*:*:*:*:*:*
cisconexus_93108tc-ex-cpe:2.3:h:cisco:nexus_93108tc-ex:-:*:*:*:*:*:*:*
cisconexus_93108tc-fx-cpe:2.3:h:cisco:nexus_93108tc-fx:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nx-os	8.3(0)sk(0.39)	cpe:2.3:o:cisco:nx-os:8.3\(0\)sk\(0.39\):::::::*
cisco	nx-os	14.1(0.90)	cpe:2.3:o:cisco:nx-os:14.1\(0.90\):::::::*
cisco	nexus_9000	-	cpe:2.3:h:cisco:nexus_9000:-:::::::*
cisco	nexus_92160yc-x	-	cpe:2.3:h:cisco:nexus_92160yc-x:-:::::::*
cisco	nexus_92300yc	-	cpe:2.3:h:cisco:nexus_92300yc:-:::::::*
cisco	nexus_92304qc	-	cpe:2.3:h:cisco:nexus_92304qc:-:::::::*
cisco	nexus_9236c	-	cpe:2.3:h:cisco:nexus_9236c:-:::::::*
cisco	nexus_9272q	-	cpe:2.3:h:cisco:nexus_9272q:-:::::::*
cisco	nexus_93108tc-ex	-	cpe:2.3:h:cisco:nexus_93108tc-ex:-:::::::*
cisco	nexus_93108tc-fx	-	cpe:2.3:h:cisco:nexus_93108tc-fx:-:::::::*

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References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-aci-insecure-fabric

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.5

Confidence

High

EPSS

0.002

Percentile

60.9%

JSON

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