CVE-2021-30168
High PUBLISHEDMERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Sensitive Data Exposure-1
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
The sensitive information of webcam device is not properly protected. Remote attackers can unauthentically grant administrator’s credential and further control the devices.
- CVE Published
- Apr 28, 2021
- Exploitation Reported
- Jun 06, 2025
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| MERIT LILIN ENT.CO.,LTD. |
P2/Z2/P3/Z3 IP camera firmware
|
unspecified to <= 7.1.94.8908 |
Affected |
CVE References
- meritlilin.com/assets/uploads/support/file/M00166-TW.pdf meritlilin.com · CVE Record https://www.meritlilin.com/assets/uploads/support/file/M00166-TW.pdf
- gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3e gist.github.com · CVE Record https://gist.github.com/keniver/86ebef688fb274b534da51ef1a84dd3e
- chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388 chtsecurity.com · CVE Record https://www.chtsecurity.com/news/0b733a38-e616-4ff3-86a6-13e710643388
- twcert.org.tw/tw/cp-132-4678-aad70-1.html twcert.org.tw · CVE Record https://www.twcert.org.tw/tw/cp-132-4678-aad70-1.html
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-06-06 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2025-06-06 00:00:00 UTC · The Shadowserver
Weaknesses (CWE)
-
Exposure of Sensitive Information to an Unauthorized Actor
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
09:30 UTC about 5 years ago09:30 UTC · about 5 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 5 years ago00:00 UTC · over 5 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2021-30168
{
"cve_id": "CVE-2021-30168",
"title": "MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Sensitive Data Exposure-1",
"affected_vendor": "MERIT LILIN ENT.CO.,LTD.",
"affected_product": "P2/Z2/P3/Z3 IP camera firmware",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}