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cveMitreCVE-2021-31642
HistoryJun 01, 2021 - 3:15 p.m.

CVE-2021-31642

2021-06-0115:15:07
CWE-190
mitre
web.nvd.nist.gov
81
chiyu
iot
devices
denial of service
vulnerability
cve-2021-31642

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0.037

Percentile

91.9%

JSON

A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device.

Affected configurations

Nvd
Node
chiyu-techsemac_s2_firmwareMatch-
AND
chiyu-techsemac_s2Match-
Node
chiyu-techsemac_d1_firmwareMatch-
AND
chiyu-techsemac_d1Match-
Node
chiyu-techsemac_d2_firmwareMatch-
AND
chiyu-techsemac_d2Match-
Node
chiyu-techsemac_d4_firmwareMatch-
AND
chiyu-techsemac_d4Match-
Node
chiyu-techsemac_s3v3_firmwareMatch-
AND
chiyu-techsemac_s3v3Match-
Node
chiyu-techsemac_d2_n300_firmwareMatch-
AND
chiyu-techsemac_d2_n300Match-
Node
chiyu-techsemac_s1_osdp_firmwareMatch-
AND
chiyu-techsemac_s1_osdpMatch-
Node
chiyu-techbf-631_firmwareMatch-
AND
chiyu-techbf-631Match-
Node
chiyu-techbf-630_firmwareMatch-
AND
chiyu-techbf-630Match-
Node
chiyu-techwebpass_firmwareMatch-
AND
chiyu-techwebpassMatch-
Node
chiyu-techbiosense_firmwareMatch-
AND
chiyu-techbiosenseMatch-
VendorProductVersionCPE
chiyu-techsemac_s2_firmware-cpe:2.3:o:chiyu-tech:semac_s2_firmware:-:*:*:*:*:*:*:*
chiyu-techsemac_s2-cpe:2.3:h:chiyu-tech:semac_s2:-:*:*:*:*:*:*:*
chiyu-techsemac_d1_firmware-cpe:2.3:o:chiyu-tech:semac_d1_firmware:-:*:*:*:*:*:*:*
chiyu-techsemac_d1-cpe:2.3:h:chiyu-tech:semac_d1:-:*:*:*:*:*:*:*
chiyu-techsemac_d2_firmware-cpe:2.3:o:chiyu-tech:semac_d2_firmware:-:*:*:*:*:*:*:*
chiyu-techsemac_d2-cpe:2.3:h:chiyu-tech:semac_d2:-:*:*:*:*:*:*:*
chiyu-techsemac_d4_firmware-cpe:2.3:o:chiyu-tech:semac_d4_firmware:-:*:*:*:*:*:*:*
chiyu-techsemac_d4-cpe:2.3:h:chiyu-tech:semac_d4:-:*:*:*:*:*:*:*
chiyu-techsemac_s3v3_firmware-cpe:2.3:o:chiyu-tech:semac_s3v3_firmware:-:*:*:*:*:*:*:*
chiyu-techsemac_s3v3-cpe:2.3:h:chiyu-tech:semac_s3v3:-:*:*:*:*:*:*:*
Rows per page:
1-10 of 221

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Integer overflow
2021-06-01 15:15:00

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.6

Confidence

High

EPSS

0.037

Percentile

91.9%

JSON
Related for CVE-2021-31642
packetstorm1exploitdb1cvelist1nvd1zdt1prion1