What is CVE-2021-33583?

CVE-2021-33583 is a critical-severity vulnerability in Reiner-Sct Timecard, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-09-30.

How severe is CVE-2021-33583?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Reiner-Sct Timecard

CVE-2021-33583

REINER timeCard 6.05.07 installs a Microsoft SQL Server with an sa password that is hardcoded in the TCServer.jar file.

Published 2021-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Reiner-Sct Timecard — versions 6.05.07

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.compass-security.com/fileadmin/Research/Advisories/2021-12_CSNC-2021-012_ti… (Third Party Advisory)

Frequently asked questions

What is CVE-2021-33583?: CVE-2021-33583 is a critical-severity vulnerability in Reiner-Sct Timecard, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-09-30.
How severe is CVE-2021-33583?: Critical severity. CVSS v3 base score is 9.8 out of 10.