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CVE-2020-3935

24
FAUCET Score

CVE-2020-3935 describes a critical vulnerability in TAIWAN SECOM CO., LTD.'s dr.id_access_control and dr.id_attendance_system products, where user passwords are stored in cleartext within cookies. This allows attackers to easily intercept and steal credentials, posing a significant risk to user accounts and system security. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to high confidentiality impact. While no public exploits, Metasploit modules, or KEV entries exist, and there's minimal community discussion, the fundamental flaw of cleartext password storage remains a serious concern.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.2CPE matchmatch criteria
cpe:2.3:a:secom:dr.id_access_control:3.3.2:*:*:*:*:*:*:*
< 3.3.0.3_20160517CPE matchmatch criteria
cpe:2.3:a:secom:dr.id_attendance_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.93%
Probability of exploitation in next 30 days
EPSS Percentile
56.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0093 is in the 31st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / chtsecurity/4db471b34c3959e5ab9ec31570e4760b
Third Party Advisory
chtsecurity.com / news/1bb85fcd-9048-4587-b4d3-b18335572bac
Third Party Advisory
twcert.org.tw / en/cp-139-3319-d7b65-2.html
Third Party Advisory