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IcscertCVE-2021-27425

HistoryMay 03, 2022 - 9:15 p.m.

CVE-2021-27425

2022-05-0321:15:08

CWE-190

icscert

web.nvd.nist.gov

cesanta

mongoose-os

vulnerability

integer wrap-around

memory allocation

remote code execution

cve-2021-27425

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

9.5

Confidence

High

EPSS

0.005

Percentile

77.2%

JSON

Cesanta Software Mongoose-OS v2.17.0 is vulnerable to integer wrap-around in function mm_malloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected configurations

Nvd

Node

cesantamongoose_osMatch2.17.0

VendorProductVersionCPE
cesantamongoose_os2.17.0cpe:2.3:o:cesanta:mongoose_os:2.17.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cesanta	mongoose_os	2.17.0	cpe:2.3:o:cesanta:mongoose_os:2.17.0:::::::*

CNA Affected

[
  {
    "product": "Mongoose-OS",
    "vendor": "Cesanta Software",
    "versions": [
      {
        "status": "affected",
        "version": "2.17.0"
      }
    ]
  }
]

References

github.com/cesanta/mongoose-os

www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

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

9.5

Confidence

High

EPSS

0.005

Percentile

77.2%

JSON

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