Is CVE-2020-5280 in the CISA KEV catalog?

No. CVE-2020-5280 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-5280?

CVE-2020-5280 has a CVSS v3 base score of 7.6 (HIGH).

What is the EPSS score for CVE-2020-5280?

CVE-2020-5280 has an EPSS score of 6.82% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-5280?

Upgrade http4s to 0.21.2 or later.

CVE & CISA-KEV Catalog

CVE-2020-5280

HIGHEPSS 93th pctl

7.6

CVSS v3

NVD

Description

http4s before versions 0.18.26, 0.20.20, and 0.21.2 has a local file inclusion vulnerability. This vulnerability applies to all users of org.http4s.server.staticcontent.FileService, org.http4s.server.staticcontent.ResourceService and org.http4s.server.staticcontent.WebjarService. URI normalization is applied incorrectly. Requests whose path info contain ../ or // can expose resources outside of the configured location. This issue is patched in versions 0.18.26, 0.20.20, and 0.21.2. Note that 0.19.0 is a deprecated release and has never been supported.

CWE-23 CWE-22Path Traversal

How to fix

Remediation Available

http4sNVD

Affected:>= 0.21.0, < 0.21.2Fixed in:0.21.2CVE-2020-5280derived 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 RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

6.82%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch3

Third-Party Advisory1

github.com

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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.