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[email protected]CVE-2020-3234

HistoryJun 03, 2020 - 6:15 p.m.

CVE-2020-3234

2020-06-0318:15:21

CWE-798

[email protected]

web.nvd.nist.gov

cisco

ios software

vulnerability

virtual console

authentication

industrial integrated services routers

connected grid routers

cve-2020-3234

nvd

7.2 High

CVSS2

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

A vulnerability in the virtual console authentication of Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an authenticated but low-privileged, local attacker to log in to the Virtual Device Server (VDS) of an affected device by using a set of default credentials. The vulnerability is due to the presence of weak, hard-coded credentials. An attacker could exploit this vulnerability by authenticating to the targeted device and then connecting to VDS through the device’s virtual console by using the static credentials. A successful exploit could allow the attacker to access the Linux shell of VDS as the root user.

Affected configurations

NVD

Node

ciscoiosMatch12.2\(60\)ez16

ciscoiosMatch15.0\(2\)sg11a

ciscoiosMatch15.3\(3\)jaa1

ciscoiosMatch15.3\(3\)jpj

ciscoiosMatch15.4\(1\)cg

ciscoiosMatch15.4\(2\)cg

ciscoiosMatch15.4\(3\)m

ciscoiosMatch15.4\(3\)m1

ciscoiosMatch15.4\(3\)m2

ciscoiosMatch15.4\(3\)m3

ciscoiosMatch15.4\(3\)m4

ciscoiosMatch15.4\(3\)m5

ciscoiosMatch15.4\(3\)m6

ciscoiosMatch15.4\(3\)m6a

ciscoiosMatch15.4\(3\)m7

ciscoiosMatch15.4\(3\)m8

ciscoiosMatch15.4\(3\)m9

ciscoiosMatch15.4\(3\)m10

ciscoiosMatch15.5\(1\)t

ciscoiosMatch15.5\(1\)t2

ciscoiosMatch15.5\(1\)t3

ciscoiosMatch15.5\(1\)t4

ciscoiosMatch15.5\(2\)t

ciscoiosMatch15.5\(2\)t1

ciscoiosMatch15.5\(2\)t2

ciscoiosMatch15.5\(2\)t3

ciscoiosMatch15.5\(2\)t4

ciscoiosMatch15.5\(3\)m

ciscoiosMatch15.5\(3\)m0a

ciscoiosMatch15.5\(3\)m1

ciscoiosMatch15.5\(3\)m2

ciscoiosMatch15.5\(3\)m2a

ciscoiosMatch15.5\(3\)m3

ciscoiosMatch15.5\(3\)m4

ciscoiosMatch15.5\(3\)m4a

ciscoiosMatch15.5\(3\)m5

ciscoiosMatch15.5\(3\)m6

ciscoiosMatch15.5\(3\)m6a

ciscoiosMatch15.5\(3\)m7

ciscoiosMatch15.5\(3\)m8

ciscoiosMatch15.5\(3\)m9

ciscoiosMatch15.5\(3\)m10

ciscoiosMatch15.5\(3\)m11

ciscoiosMatch15.6\(1\)t

ciscoiosMatch15.6\(1\)t0a

ciscoiosMatch15.6\(1\)t1

ciscoiosMatch15.6\(1\)t2

ciscoiosMatch15.6\(1\)t3

ciscoiosMatch15.6\(2\)t

ciscoiosMatch15.6\(2\)t1

ciscoiosMatch15.6\(2\)t2

ciscoiosMatch15.6\(2\)t3

ciscoiosMatch15.6\(3\)m

ciscoiosMatch15.6\(3\)m0a

ciscoiosMatch15.6\(3\)m1

ciscoiosMatch15.6\(3\)m1b

ciscoiosMatch15.6\(3\)m2

ciscoiosMatch15.6\(3\)m3

ciscoiosMatch15.6\(3\)m3a

ciscoiosMatch15.6\(3\)m4

ciscoiosMatch15.6\(3\)m5

ciscoiosMatch15.6\(3\)m6

ciscoiosMatch15.6\(3\)m6a

ciscoiosMatch15.6\(3\)m6b

ciscoiosMatch15.6\(3\)m7

ciscoiosMatch15.6\(3\)m8

ciscoiosMatch15.6\(3\)m9

ciscoiosMatch15.7\(3\)m

ciscoiosMatch15.7\(3\)m1

ciscoiosMatch15.7\(3\)m2

ciscoiosMatch15.7\(3\)m3

ciscoiosMatch15.7\(3\)m4

ciscoiosMatch15.7\(3\)m4a

ciscoiosMatch15.7\(3\)m4b

ciscoiosMatch15.7\(3\)m5

ciscoiosMatch15.7\(3\)m6

ciscoiosMatch15.7\(3\)m7

ciscoiosMatch15.8\(3\)m

ciscoiosMatch15.8\(3\)m0a

ciscoiosMatch15.8\(3\)m1

ciscoiosMatch15.8\(3\)m2

ciscoiosMatch15.8\(3\)m2a

ciscoiosMatch15.8\(3\)m3

ciscoiosMatch15.8\(3\)m3a

ciscoiosMatch15.8\(3\)m3b

ciscoiosMatch15.8\(3\)m4

ciscoiosMatch15.8\(3\)m5

AND

cisco1120Match-

cisco1240

cisco809

cisco829

CPENameOperatorVersion
cisco:ioscisco ioseq12.2\(60\)ez16
cisco:ioscisco ioseq15.0\(2\)sg11a
cisco:ioscisco ioseq15.3\(3\)jaa1
cisco:ioscisco ioseq15.3\(3\)jpj
cisco:ioscisco ioseq15.4\(1\)cg
cisco:ioscisco ioseq15.4\(2\)cg
cisco:ioscisco ioseq15.4\(3\)m
cisco:ioscisco ioseq15.4\(3\)m1
cisco:ioscisco ioseq15.4\(3\)m2
cisco:ioscisco ioseq15.4\(3\)m3

CPE	Name	Operator	Version
cisco:ios	cisco ios	eq	12.2\(60\)ez16
cisco:ios	cisco ios	eq	15.0\(2\)sg11a
cisco:ios	cisco ios	eq	15.3\(3\)jaa1
cisco:ios	cisco ios	eq	15.3\(3\)jpj
cisco:ios	cisco ios	eq	15.4\(1\)cg
cisco:ios	cisco ios	eq	15.4\(2\)cg
cisco:ios	cisco ios	eq	15.4\(3\)m
cisco:ios	cisco ios	eq	15.4\(3\)m1
cisco:ios	cisco ios	eq	15.4\(3\)m2
cisco:ios	cisco ios	eq	15.4\(3\)m3

Rows per page:

1-10 of 871

CNA Affected

[
  {
    "product": "Cisco IOS 12.2(60)EZ16",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-vds-cred-uPMp9zbY

7.2 High

CVSS2

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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