CVE & CISA-KEV Catalog

CVE-2020-36941

CRITICAL
9.8
CVSS v3
NVD

Description

Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV reports through unfiltered server headers. Attackers can manipulate server response headers to include spreadsheet formulas that will execute when the CSV is opened in spreadsheet applications.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.51%probability of exploitation in 30 days
42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Third-Party Advisory1
Product1

Related Vulnerabilities

Other CWE-1236 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-33256High8.879%--
CVE-2018-11652Critical9.824%-Fix
CVE-2020-36962Critical9.811%--
CVE-2019-12765Critical9.810%--
CVE-2019-14749High8.89.6%-Fix
CVE-2020-9372High7.88.6%-Fix

Common questions

How do I fix CVE-2020-36941?

No published fix for CVE-2020-36941 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2020-36941 being actively exploited?

Not that we know of. CVE-2020-36941 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.51% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

How severe is CVE-2020-36941?

CVE-2020-36941 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-24.