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cve[email protected]CVE-2020-3477
HistorySep 24, 2020 - 6:15 p.m.

CVE-2020-3477

2020-09-2418:15:19
CWE-20
CWE-863
web.nvd.nist.gov
62
3
cisco
ios
xe
vulnerability
cli parser
cisco ios software
cisco ios xe software
authenticated attacker
flash filesystem
nvd
cve-2020-3477

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

A vulnerability in the CLI parser of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to access files from the flash: filesystem. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain read-only access to files that are located on the flash: filesystem that otherwise might not have been accessible.

Affected configurations

NVD
Node
cisco2610xmMatch-
OR
cisco2611xmMatch-
OR
cisco2612Match-
OR
cisco2620xmMatch-
OR
cisco2621xmMatch-
OR
cisco2650xmMatch-
OR
cisco2651xmMatch-
OR
cisco2691Match-
AND
ciscoiosMatch16.3.11
CPENameOperatorVersion
cisco:ioscisco ioseq16.3.11

CNA Affected

[
  {
    "product": "Cisco IOS ",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

Social References

More

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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