How severe is CVE-2020-13432?

CVE-2020-13432 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-13432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13432?

CVE-2020-13432 affects Rejetto Http File Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13432 published?

CVE-2020-13432 was published on 2020-06-08 and last updated on 2026-06-17.

CVE-2020-13432

CVE-2020-13432 is a high-severity vulnerability in Rejetto Http File Server with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Rejetto Http File Server
Published: 2020-06-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-13432?: 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.
How severe is CVE-2020-13432?: CVE-2020-13432 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-13432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13432?: CVE-2020-13432 affects Rejetto Http File Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13432 published?: CVE-2020-13432 was published on 2020-06-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rejetto:http_file_server:2.3m:*:*:*:*:*:*:*

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