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KrcertCVE-2021-26621

HistoryMar 25, 2022 - 7:15 p.m.

CVE-2021-26621

2022-03-2519:15:08

CWE-120

krcert

web.nvd.nist.gov

cve-2021-26621

buffer overflow

remote code execution

mex01

strcpy() function

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.007

Percentile

79.9%

JSON

An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() function.

Affected configurations

Nvd

Node

netumex01Match-

AND

netumex01_firmwareRange<1.9.18

VendorProductVersionCPE
netumex01-cpe:2.3:h:netu:mex01:-:*:*:*:*:*:*:*
netumex01_firmware*cpe:2.3:o:netu:mex01_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
netu	mex01	-	cpe:2.3:h:netu:mex01:-:::::::*
netu	mex01_firmware	*	cpe:2.3:o:netu:mex01_firmware::::::::

CNA Affected

[
  {
    "platforms": [
      "Windows, Mac OS and etc."
    ],
    "product": "MEX01",
    "vendor": "NetU Corp.",
    "versions": [
      {
        "lessThanOrEqual": "v1.9.18",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.8

Confidence

High

EPSS

0.007

Percentile

79.9%

JSON

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