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IcscertCVE-2021-27448

HistoryMar 25, 2021 - 8:15 p.m.

CVE-2021-27448

2021-03-2520:15:13

CWE-269

CWE-250

icscert

web.nvd.nist.gov

security

vulnerability

cve-2021-27448

mu320e

firmware escalation privilege

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

7.7

Confidence

High

EPSS

Percentile

10.4%

JSON

A miscommunication in the file system allows adversaries with access to the MU320E to escalate privileges on the MU320E (all firmware versions prior to v04A00.1).

Affected configurations

Nvd

Node

gemu320eMatch-

AND

gemu320e_firmwareRange<04a00.1

CNA Affected

[
  {
    "product": "MU320E",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All firmware versions prior to v04A00.1"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-082-02

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

7.7

Confidence

High

EPSS

Percentile

10.4%

JSON

Related for CVE-2021-27448