Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-5280

26
FAUCET Score

CVE-2020-5280 is a local file inclusion vulnerability affecting typelevel http4s versions prior to 0.18.26, 0.20.20, and 0.21.2, specifically impacting users of FileService, ResourceService, and WebjarService due to incorrect URI normalization. With a CVSS score of 7.5 (HIGH), this vulnerability allows an unauthenticated attacker to access resources outside of configured locations with low attack complexity, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.18.26CPE matchmatch criteria
cpe:2.3:a:typelevel:http4s:*:*:*:*:*:*:*:*
>= 0.19.0, < 0.20.20CPE matchmatch criteria
cpe:2.3:a:typelevel:http4s:*:*:*:*:*:*:*:*
>= 0.21.0, < 0.21.2CPE matchmatch criteria
cpe:2.3:a:typelevel:http4s:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.82%
Probability of exploitation in next 30 days
EPSS Percentile
93.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0682 is in the 89th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.http4s:http4s-server_2.12Fixed in: 0.18.26
mavenpatch availablevia ghsa
Product: org.http4s:http4s-server_2.12Fixed in: 0.20.20
mavenpatch availablevia ghsa
Product: org.http4s:http4s-server_2.12Fixed in: 0.21.2

Vendor Advisories (1)

mavenGHSA-66q9-f7ff-mmx6critical

Local file inclusion vulnerability in http4s

Mar 25, 2020

References

github.com / http4s/http4s/commit/250afddbb2e65b70ca9ddaec9d1eb3aaa56de7ec
Patch
github.com / http4s/http4s/commit/752b3f63a05a31d2de4f8706877aa08d6b89efca
Patch
github.com / http4s/http4s/commit/b87f31b2292dabe667bec3b04ce66176c8a3e17b
Patch
github.com / http4s/http4s/security/advisories/GHSA-66q9-f7ff-mmx6
Third Party Advisory