Is CVE-2021-37253 in the CISA KEV catalog?

No. CVE-2021-37253 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37253?

CVE-2021-37253 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-37253?

CVE-2021-37253 has an EPSS score of 2.84% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37253?

Upgrade m-files web to 20.10.9524.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-37253

HIGHEPSS 85th pctl

7.5

CVSS v3

NVD

Description

M-Files Web before 20.10.9524.1 allows a denial of service via overlapping ranges (in HTTP requests with crafted Range or Request-Range headers). NOTE: this is disputed because the range behavior is the responsibility of the web server, not the responsibility of the individual web application

CWE-444

How to fix

Remediation Available

m-files webNVD

Affected:< 20.10.9524.1Fixed in:20.10.9524.1CVE-2021-37253derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.84%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Exploit4

Vendor Advisory2

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Markdown

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HTML

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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 2024-11-21.