How severe is CVE-2017-7295?

CVE-2017-7295 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-2017-7295 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7295?

CVE-2017-7295 affects Contiki-os Contiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7295?

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-2017-7295 published?

CVE-2017-7295 was published on 2017-05-28 and last updated on 2026-06-17.

CVE-2017-7295

CVE-2017-7295 is a high-severity vulnerability in Contiki-os Contiki 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-416.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Contiki-os Contiki
Published: 2017-05-28
Last modified: 2026-06-17

Description

An issue was discovered in Contiki Operating System 3.0. A use-after-free vulnerability exists in httpd-simple.c in cc26xx-web-demo httpd, where upon a connection close event, the http_state structure was not deallocated properly, resulting in a NULL pointer dereference in the output processing function. This resulted in a board crash, which can be used to perform denial of service.

Frequently asked questions

What is CVE-2017-7295?: An issue was discovered in Contiki Operating System 3.0. A use-after-free vulnerability exists in httpd-simple.c in cc26xx-web-demo httpd, where upon a connection close event, the http_state structure was not deallocated properly, resulting in a NULL pointer dereference in the output processing function. This resulted in a board crash, which can be used to perform denial of service.
How severe is CVE-2017-7295?: CVE-2017-7295 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-2017-7295 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7295?: CVE-2017-7295 affects Contiki-os Contiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7295?: 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-2017-7295 published?: CVE-2017-7295 was published on 2017-05-28 and last updated on 2026-06-17.

References

https://gist.github.com/jackmcbride/c9328627f1ee104ce84f3fb7eff42f1e

Affected products (1)

cpe:2.3:o:contiki-os:contiki:3.0:*:*:*:*:*:*:*

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