CVE-2021-30167
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication
The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication
The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.
- Record
CVE-2021-30167- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-522
- Updated
- 2026-11-02
EUVDEUVD-2021-17103
The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.
- Record
EUVD-2021-17103- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c85v-wp83-g55c
The manage users profile services of the network camera device allows an authenticated. Remote...
The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.
- Record
GHSA-c85v-wp83-g55c- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306, CWE-522
- Updated
- 2026-11-02
NVD
The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.
- Record
CVE-2021-30167- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-522, CWE-306
- Updated
- 2026-11-02
Affected products
- merit lilin ent.co.,ltd. p2/z2/p3/z3 ip camera firmware
- meritlilin p2g1022 firmware
- meritlilin p2g1022x firmware
- meritlilin p2g1052 firmware
- meritlilin p2r3022ae2 firmware
- meritlilin p2r3052ae2 firmware
- meritlilin p2r6322ae2 firmware
- meritlilin p2r6322ae4 firmware
- meritlilin p2r6352ae2 firmware
- meritlilin p2r6352ae4 firmware
- meritlilin p2r6522e2 firmware
- meritlilin p2r6522e4 firmware
Show 30 moreShow less
- meritlilin p2r6552e2 firmware
- meritlilin p2r6552e4 firmware
- meritlilin p2r6822e2 firmware
- meritlilin p2r6822e4 firmware
- meritlilin p2r6852e2 firmware
- meritlilin p2r6852e4 firmware
- meritlilin p2r8822e2 firmware
- meritlilin p2r8822e4 firmware
- meritlilin p2r8852e2 firmware
- meritlilin p2r8852e4 firmware
- meritlilin p3r6322e2 firmware
- meritlilin p3r6522e2 firmware
- meritlilin p3r8822e2 firmware
- meritlilin z2r6422ax-p firmware
- meritlilin z2r6422ax firmware
- meritlilin z2r6452ax-p firmware
- meritlilin z2r6452ax firmware
- meritlilin z2r6522x firmware
- meritlilin z2r6552x firmware
- meritlilin z2r8022ex25 firmware
- meritlilin z2r8052ex25 firmware
- meritlilin z2r8122x-p firmware
- meritlilin z2r8122x2-p firmware
- meritlilin z2r8152x-p firmware
- meritlilin z2r8152x2-p firmware
- meritlilin z2r8822ax firmware
- meritlilin z2r8852ax firmware
- meritlilin z3r6422x3 firmware
- meritlilin z3r6522x firmware
- meritlilin z3r8922x3 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30167 is a critical vulnerability (CVSS 9.8) in Merit Lilin Ent.co.,ltd. P2/z2/p3/z3 Ip Camera Firmware, published April 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.44%, the 84th percentile. No source names a fixed version.