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MitreCVE-2021-40856

HistoryDec 13, 2021 - 4:15 a.m.

CVE-2021-40856

2021-12-1304:15:06

CWE-706

mitre

web.nvd.nist.gov

cve-2021-40856

auerswald

comfortel

ip devices

authentication bypass

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.6

Confidence

High

EPSS

0.251

Percentile

96.8%

JSON

Auerswald COMfortel 1400 IP and 2600 IP before 2.8G devices allow Authentication Bypass via the /about/…/ substring.

Affected configurations

Nvd

Node

auerswaldcomfortel_3600_ip_firmwareRange≤2.8f

AND

auerswaldcomfortel_3600_ipMatch-

Node

auerswaldcomfortel_2600_ip_firmwareRange≤2.8f

AND

auerswaldcomfortel_2600_ipMatch-

Node

auerswaldcomfortel_1400_ip_firmwareRange≤2.8f

AND

auerswaldcomfortel_1400_ipMatch-

VendorProductVersionCPE
auerswaldcomfortel_3600_ip_firmware*cpe:2.3:o:auerswald:comfortel_3600_ip_firmware:*:*:*:*:*:*:*:*
auerswaldcomfortel_3600_ip-cpe:2.3:h:auerswald:comfortel_3600_ip:-:*:*:*:*:*:*:*
auerswaldcomfortel_2600_ip_firmware*cpe:2.3:o:auerswald:comfortel_2600_ip_firmware:*:*:*:*:*:*:*:*
auerswaldcomfortel_2600_ip-cpe:2.3:h:auerswald:comfortel_2600_ip:-:*:*:*:*:*:*:*
auerswaldcomfortel_1400_ip_firmware*cpe:2.3:o:auerswald:comfortel_1400_ip_firmware:*:*:*:*:*:*:*:*
auerswaldcomfortel_1400_ip-cpe:2.3:h:auerswald:comfortel_1400_ip:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
auerswald	comfortel_3600_ip_firmware	*	cpe:2.3:o:auerswald:comfortel_3600_ip_firmware::::::::
auerswald	comfortel_3600_ip	-	cpe:2.3:h:auerswald:comfortel_3600_ip:-:::::::*
auerswald	comfortel_2600_ip_firmware	*	cpe:2.3:o:auerswald:comfortel_2600_ip_firmware::::::::
auerswald	comfortel_2600_ip	-	cpe:2.3:h:auerswald:comfortel_2600_ip:-:::::::*
auerswald	comfortel_1400_ip_firmware	*	cpe:2.3:o:auerswald:comfortel_1400_ip_firmware::::::::
auerswald	comfortel_1400_ip	-	cpe:2.3:h:auerswald:comfortel_1400_ip:-:::::::*

References

packetstormsecurity.com/files/165162/Auerswald-COMfortel-1400-2600-3600-IP-2.8F-Authentication-Bypass.html

www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses

www.redteam-pentesting.de/en/advisories/rt-sa-2021-004/-auerswald-comfortel-1400-2600-3600-ip-authentication-bypass

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.6

Confidence

High

EPSS

0.251

Percentile

96.8%

JSON

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