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CiscoCVE-2019-1803

HistoryMay 03, 2019 - 5:29 p.m.

CVE-2019-1803

2019-05-0317:29:00

CWE-264

CWE-732

cisco

web.nvd.nist.gov

cisco

nexus 9000

aci mode switch

vulnerability

local attacker

root privileges

file permissions

exploit

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

Percentile

5.1%

JSON

A vulnerability in the filesystem management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker with administrator rights to gain elevated privileges as the root user on an affected device. The vulnerability is due to overly permissive file permissions of specific system files. An attacker could exploit this vulnerability by authenticating to an affected device, creating a crafted command string, and writing this crafted string to a specific file location. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. The attacker would need to have valid administrator credentials for the device.

Affected configurations

Nvd

Vulners

Node

cisconexus_9000_series_application_centric_infrastructureMatch-

AND

cisconexus_93108tc-exMatch-

cisconexus_93120txMatch-

cisconexus_93128txMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180tc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-fxMatch-

cisconexus_9332pqMatch-

cisconexus_9336c-fx2Match-

cisconexus_9336pq_aci_spineMatch-

cisconexus_9348gc-fxpMatch-

cisconexus_9364cMatch-

cisconexus_9372pxMatch-

cisconexus_9372px-eMatch-

cisconexus_9372txMatch-

cisconexus_9372tx-eMatch-

cisconexus_9396pxMatch-

cisconexus_9396txMatch-

cisconexus_9504Match-

cisconexus_9508Match-

cisconexus_9516Match-

VendorProductVersionCPE
cisconexus_9000_series_application_centric_infrastructure-cpe:2.3:o:cisco:nexus_9000_series_application_centric_infrastructure:-:*:*:*:*:*:*:*
cisconexus_93108tc-ex-cpe:2.3:h:cisco:nexus_93108tc-ex:-:*:*:*:*:*:*:*
cisconexus_93120tx-cpe:2.3:h:cisco:nexus_93120tx:-:*:*:*:*:*:*:*
cisconexus_93128tx-cpe:2.3:h:cisco:nexus_93128tx:-:*:*:*:*:*:*:*
cisconexus_93180lc-ex-cpe:2.3:h:cisco:nexus_93180lc-ex:-:*:*:*:*:*:*:*
cisconexus_93180tc-ex-cpe:2.3:h:cisco:nexus_93180tc-ex:-:*:*:*:*:*:*:*
cisconexus_93180yc-ex-cpe:2.3:h:cisco:nexus_93180yc-ex:-:*:*:*:*:*:*:*
cisconexus_93180yc-fx-cpe:2.3:h:cisco:nexus_93180yc-fx:-:*:*:*:*:*:*:*
cisconexus_9332pq-cpe:2.3:h:cisco:nexus_9332pq:-:*:*:*:*:*:*:*
cisconexus_9336c-fx2-cpe:2.3:h:cisco:nexus_9336c-fx2:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nexus_9000_series_application_centric_infrastructure	-	cpe:2.3:o:cisco:nexus_9000_series_application_centric_infrastructure:-:::::::*
cisco	nexus_93108tc-ex	-	cpe:2.3:h:cisco:nexus_93108tc-ex:-:::::::*
cisco	nexus_93120tx	-	cpe:2.3:h:cisco:nexus_93120tx:-:::::::*
cisco	nexus_93128tx	-	cpe:2.3:h:cisco:nexus_93128tx:-:::::::*
cisco	nexus_93180lc-ex	-	cpe:2.3:h:cisco:nexus_93180lc-ex:-:::::::*
cisco	nexus_93180tc-ex	-	cpe:2.3:h:cisco:nexus_93180tc-ex:-:::::::*
cisco	nexus_93180yc-ex	-	cpe:2.3:h:cisco:nexus_93180yc-ex:-:::::::*
cisco	nexus_93180yc-fx	-	cpe:2.3:h:cisco:nexus_93180yc-fx:-:::::::*
cisco	nexus_9332pq	-	cpe:2.3:h:cisco:nexus_9332pq:-:::::::*
cisco	nexus_9336c-fx2	-	cpe:2.3:h:cisco:nexus_9336c-fx2:-:::::::*

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CNA Affected

[
  {
    "product": "Cisco NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "14.1(1i)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-nexus9k-rpe

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

Confidence

High

EPSS

Percentile

5.1%

JSON

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