MEDIUM
CVE-2020-3933
NVD-CWE-noinfoPublished: February 11, 2020· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
TAIWAN SECOM CO., LTD., a Door Access Control and Personnel Attendance Management system, allows attackers to enumerate and exam user account in the system.
Technical Analysis
CVE-2020-3933 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
secom2 product(s)
dr.id access controldr.id attendance system
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760bThird Party Advisory
→
https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bacThird Party Advisory
→
https://www.twcert.org.tw/en/cp-139-3317-d4edc-2.htmlThird Party Advisory
→
https://gist.github.com/chtsecurity/4db471b34c3959e5ab9ec31570e4760bThird Party Advisory
→
https://www.chtsecurity.com/news/1bb85fcd-9048-4587-b4d3-b18335572bacThird Party Advisory
→
https://www.twcert.org.tw/en/cp-139-3317-d4edc-2.htmlThird Party Advisory
Quick Facts
CVE IDCVE-2020-3933
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 11, 2020
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-3933 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.