CVE-2021-40856

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

CVSS v3.1

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

50.12% chance of exploitation in the next 30 days, 99th percentile

Nuclei

high · CWE-706

Published

2021-12-13

Updated

2024-08-04

Proof-of-concept exploits (3)

• http://packetstormsecurity.com/files/165162/Auerswald-COMfortel-1400-2600-3600-IP-2.8F-Au…
• https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-anal…
• https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-004/-auerswald-comfortel-1400-…

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-40856.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2021-40847
• CVE-2021-40857
• CVE-2021-40845
• CVE-2021-40858
• CVE-2021-4084
• CVE-2021-40859