How severe is CVE-2013-4743?

CVE-2013-4743 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-4743 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4743?

CVE-2013-4743 affects Static Http Server Project Static Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4743?

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

When was CVE-2013-4743 published?

CVE-2013-4743 was published on 2019-12-27 and last updated on 2026-06-16.

CVE-2013-4743

CVE-2013-4743 is a critical-severity vulnerability in Static Http Server Project Static Http Server with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Static Http Server Project Static Http Server
Published: 2019-12-27
Last modified: 2026-06-16

Description

Static HTTP Server 1.0 has a Local Overflow

Frequently asked questions

What is CVE-2013-4743?: Static HTTP Server 1.0 has a Local Overflow
How severe is CVE-2013-4743?: CVE-2013-4743 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-4743 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4743?: CVE-2013-4743 affects Static Http Server Project Static Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4743?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-4743 published?: CVE-2013-4743 was published on 2019-12-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:static_http_server_project:static_http_server:1.0:*:*:*:*:*:*:*

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