What is CVE-2020-35929?

CVE-2020-35929 is a critical-severity vulnerability in Kaspersky Tinycheck, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-01-19.

How severe is CVE-2020-35929?

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

Vulnerability in Kaspersky Tinycheck

CVE-2020-35929

In TinyCheck before commits 9fd360d and ea53de8, the installation script of the tool contained hard-coded credentials to the backend part of the tool. This information could be used by an attacker for unauthorized access to remote data.

Published 2021-01-19 · 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: 0.010 (62.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Kaspersky Tinycheck — versions without commits 9fd360d and ea53de8

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

github.com/KasperskyLab/TinyCheck/security/advisories/GHSA-9f7g-72h2-59g7 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-35929?: CVE-2020-35929 is a critical-severity vulnerability in Kaspersky Tinycheck, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2021-01-19.
How severe is CVE-2020-35929?: Critical severity. CVSS v3 base score is 9.8 out of 10.