THREATPORT/VULNERABILITY/CVE-2020-13432
HIGH SEVERITY

CVE-2020-13432

Http File Server vulnerability

CVSS
7.5
EPSS
30.9%
EPSS pct
98th
Exploited
No known
rejetto HFS (aka HTTP File Server) v2.3m Build #300, when virtual files or folders are used, allows remote attackers to trigger an invalid-pointer write access violation via concurrent HTTP requests with a long URI or long HTTP headers.
Affected vendor
Rejetto
Affected product
Http File Server
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-120 — Classic Buffer Overflow
Published
2020-06-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 30.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2020-13432

  • Confirm whether Rejetto Http File Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-13432.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-13432

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-13432 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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