What is CVE-2020-36200?

CVE-2020-36200 is a medium-severity vulnerability in Kaspersky Tinycheck, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2021-01-26.

How severe is CVE-2020-36200?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SSRF in Kaspersky Tinycheck

CVE-2020-36200

TinyCheck before commits 9fd360d and ea53de8 allowed an authenticated attacker to send an HTTP GET request to the crafted URLs.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2021-01-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Kaspersky Tinycheck
Kaspersky Tinycheck — versions without commits 9fd360d and ea53de8

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

github.com/KasperskyLab/TinyCheck/security/advisories/GHSA-gqpw-3669-6w5h (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-36200?: CVE-2020-36200 is a medium-severity vulnerability in Kaspersky Tinycheck, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2021-01-26.
How severe is CVE-2020-36200?: Medium severity. CVSS v3 base score is 6.5 out of 10.