CVE-2020-36199: kaspersky tinycheck Improper Input Validation
CVSS: 9.8v3.1CriticalModified
Published 21-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-36199 is a critical (CVSS 9.8) Improper Input Validation vulnerability in kaspersky tinycheck. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.21%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
TinyCheck before commits 9fd360d and ea53de8 was vulnerable to command injection due to insufficient checks of input parameters in several places.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.21%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.03 pp
From 2.18% on 19-09-2026
19-09-202619-10-2026
EPSS score2.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Kaspersky1 product
- tinycheck< 2020-12-18
1 vendor · 1 product
References
1 links- github.com/KasperskyLab/TinyCheck/security/advisories/GHSA-j2vj-mhr6-795mX Refsource MISCPatchThird Party Advisory