How severe is CVE-2014-0133?

CVE-2014-0133 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-0133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0133?

CVE-2014-0133 primarily affects F5 Nginx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0133?

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-2014-0133 published?

CVE-2014-0133 was published on 2014-03-28 and last updated on 2026-06-17.

CVE-2014-0133

CVE-2014-0133 is a high-severity vulnerability in F5 Nginx with a CVSS 2.0 base score of 7.5. 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-787.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: F5 Nginx
Published: 2014-03-28
Last modified: 2026-06-17

Description

Heap-based buffer overflow in the SPDY implementation in nginx 1.3.15 before 1.4.7 and 1.5.x before 1.5.12 allows remote attackers to execute arbitrary code via a crafted request.

Frequently asked questions

What is CVE-2014-0133?: Heap-based buffer overflow in the SPDY implementation in nginx 1.3.15 before 1.4.7 and 1.5.x before 1.5.12 allows remote attackers to execute arbitrary code via a crafted request.
How severe is CVE-2014-0133?: CVE-2014-0133 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2014-0133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0133?: CVE-2014-0133 primarily affects F5 Nginx. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0133?: 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-2014-0133 published?: CVE-2014-0133 was published on 2014-03-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

198.199.94.79 (ipv4-addr)