CVE-2021-3616: lenovo smart_camera_c2e_firmware Improper Authorization
Modified
Published 17-08-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3616 is a critical (CVSS 9.8) Improper Authorization vulnerability in lenovo smart_camera_c2e_firmware. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 60% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 17-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow an unauthorized user to view device information, alter firmware content and device configuration. This vulnerability is the same as CNVD-2020-68651.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 9.4–9.8
- CVE.orgCNA9.4CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:HDiffers
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.92%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.92% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo4 products
- smart_camera_c2e_firmware< 01.03.29.16
- smart_camera_x3_firmware< 01.03.29.16
- smart camera x3, x5, and c2e firmware≥ unspecified, < 01.03.29.16
- smart_camera_x5_firmware< 01.03.29.16
1 vendor · 4 products