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CiscoCVE-2019-1726

HistoryMay 15, 2019 - 5:29 p.m.

CVE-2019-1726

2019-05-1517:29:01

CWE-78

CWE-20

cisco

web.nvd.nist.gov

cisco

nx-os

software

vulnerability

cli

cve-2019-1726

nvd

security

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

Percentile

5.2%

JSON

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to access internal services that should be restricted on an affected device, such as the NX-API. The vulnerability is due to insufficient validation of arguments passed to a certain CLI command. An attacker could exploit this vulnerability by including malicious input as the argument to the affected command. A successful exploit could allow the attacker to bypass intended restrictions and access internal services of the device. An attacker would need valid device credentials to exploit this vulnerability.

Affected configurations

Nvd

Vulners

Node

cisconx-osRange5.2–6.2\(25\)

cisconx-osRange7.3–8.3\(2\)

AND

ciscomds_9000Match-

ciscomds_9100Match-

ciscomds_9200Match-

ciscomds_9500Match-

ciscomds_9700Match-

Node

cisconx-osRange7.0\(3\)i7–7.0\(3\)i7\(3\)

AND

cisconexus_3000Match-

cisconexus_3100Match-

cisconexus_3100-zMatch-

cisconexus_3100vMatch-

cisconexus_3200Match-

cisconexus_3400Match-

cisconexus_3500Match-

cisconexus_3600Match-

cisconexus_9000Match-

cisconexus_9200Match-

cisconexus_9300Match-

cisconexus_9500Match-

Node

cisconx-osRange<6.0\(2\)a8\(11\)

cisconx-osRange7.0\(3\)–7.0\(3\)i7\(3\)

AND

cisconexus_3524-xMatch-

cisconexus_3524-xlMatch-

cisconexus_3548-xMatch-

cisconexus_3548-xlMatch-

Node

cisconx-osRange<7.3\(4\)n1\(1\)

AND

cisconexus_5500Match-

cisconexus_5600Match-

cisconexus_6000Match-

Node

cisconx-osRange<6.2\(22\)

cisconx-osRange7.2–7.3\(3\)d1\(1\)

cisconx-osRange8.0–8.3\(2\)

AND

cisconexus_7000Match-

cisconexus_7700Match-

Node

cisconx-osRange<4.0\(1d\)

AND

ciscoucs_6248upMatch-

ciscoucs_6296upMatch-

VendorProductVersionCPE
cisconx-os*cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
ciscomds_9000-cpe:2.3:h:cisco:mds_9000:-:*:*:*:*:*:*:*
ciscomds_9100-cpe:2.3:h:cisco:mds_9100:-:*:*:*:*:*:*:*
ciscomds_9200-cpe:2.3:h:cisco:mds_9200:-:*:*:*:*:*:*:*
ciscomds_9500-cpe:2.3:h:cisco:mds_9500:-:*:*:*:*:*:*:*
ciscomds_9700-cpe:2.3:h:cisco:mds_9700:-:*:*:*:*:*:*:*
cisconexus_3000-cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:*
cisconexus_3100-cpe:2.3:h:cisco:nexus_3100:-:*:*:*:*:*:*:*
cisconexus_3100-z-cpe:2.3:h:cisco:nexus_3100-z:-:*:*:*:*:*:*:*
cisconexus_3100v-cpe:2.3:h:cisco:nexus_3100v:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nx-os	*	cpe:2.3:o:cisco:nx-os::::::::
cisco	mds_9000	-	cpe:2.3:h:cisco:mds_9000:-:::::::*
cisco	mds_9100	-	cpe:2.3:h:cisco:mds_9100:-:::::::*
cisco	mds_9200	-	cpe:2.3:h:cisco:mds_9200:-:::::::*
cisco	mds_9500	-	cpe:2.3:h:cisco:mds_9500:-:::::::*
cisco	mds_9700	-	cpe:2.3:h:cisco:mds_9700:-:::::::*
cisco	nexus_3000	-	cpe:2.3:h:cisco:nexus_3000:-:::::::*
cisco	nexus_3100	-	cpe:2.3:h:cisco:nexus_3100:-:::::::*
cisco	nexus_3100-z	-	cpe:2.3:h:cisco:nexus_3100-z:-:::::::*
cisco	nexus_3100v	-	cpe:2.3:h:cisco:nexus_3100v:-:::::::*

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CNA Affected

[
  {
    "product": "Cisco NX-OS Software",
    "vendor": "Cisco",
    "versions": [
      {
        "lessThan": "6.2(25)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "8.3(2)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "7.0(3)I7(3)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThan": "9.2(1)",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.securityfocus.com/bid/108409

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-cli-bypass

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

High

EPSS

Percentile

5.2%

JSON

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