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MitreCVE-2021-26777

HistoryDec 02, 2021 - 4:15 a.m.

CVE-2021-26777

2021-12-0204:15:06

CWE-120

mitre

web.nvd.nist.gov

cve-2021-26777

buffer overflow

setfirewall

index.cgi

circutor

compact dc-s basic

smart metering concentrator

firmware

vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

9.7

Confidence

High

EPSS

0.004

Percentile

73.8%

JSON

Buffer overflow vulnerability in function SetFirewall in index.cgi in CIRCUTOR COMPACT DC-S BASIC smart metering concentrator Firwmare version CIR_CDC_v1.2.17, allows attackers to execute arbitrary code.

Affected configurations

Nvd

Node

circutorcompact_dc-s_basicMatch-

AND

circutorcompact_dc-s_basic_firmwareMatch1.2.17

VendorProductVersionCPE
circutorcompact_dc-s_basic-cpe:2.3:h:circutor:compact_dc-s_basic:-:*:*:*:*:*:*:*
circutorcompact_dc-s_basic_firmware1.2.17cpe:2.3:o:circutor:compact_dc-s_basic_firmware:1.2.17:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
circutor	compact_dc-s_basic	-	cpe:2.3:h:circutor:compact_dc-s_basic:-:::::::*
circutor	compact_dc-s_basic_firmware	1.2.17	cpe:2.3:o:circutor:compact_dc-s_basic_firmware:1.2.17:::::::*

References

github.com/Ell0/plc_concentrator_vulns/

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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

9.7

Confidence

High

EPSS

0.004

Percentile

73.8%

JSON

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