CVE-2017-1000247

CVE-2017-1000247 is a high-severity vulnerability in Codeigniter with a CVSS 3.x 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-20.

Key facts

Description

British Columbia Institute of Technology CodeIgniter 3.1.3 is vulnerable to HTTP Header Injection in the set_status_header() common function under Apache resulting in HTTP Header Injection flaws.

Frequently asked questions

What is CVE-2017-1000247?
British Columbia Institute of Technology CodeIgniter 3.1.3 is vulnerable to HTTP Header Injection in the set_status_header() common function under Apache resulting in HTTP Header Injection flaws.
How severe is CVE-2017-1000247?
CVE-2017-1000247 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 high, and availability none.
Is CVE-2017-1000247 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000247?
CVE-2017-1000247 affects Codeigniter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000247?
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-2017-1000247 published?
CVE-2017-1000247 was published on 2017-11-17 and last updated on 2026-06-17.

References

Affected products (1)

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