How severe is CVE-2017-1000471?

CVE-2017-1000471 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-2017-1000471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000471?

CVE-2017-1000471 affects Embedthis Goahead. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000471?

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-2017-1000471 published?

CVE-2017-1000471 was published on 2018-01-03 and last updated on 2026-06-17.

CVE-2017-1000471

CVE-2017-1000471 is a critical-severity vulnerability in Embedthis Goahead 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-476.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Embedthis Goahead
Published: 2018-01-03
Last modified: 2026-06-17

Description

EmbedThis GoAhead Webserver version 4.0.0 is vulnerable to a NULL pointer dereference in the CGI handler resulting in memory corruption or denial of service.

Frequently asked questions

What is CVE-2017-1000471?: EmbedThis GoAhead Webserver version 4.0.0 is vulnerable to a NULL pointer dereference in the CGI handler resulting in memory corruption or denial of service.
How severe is CVE-2017-1000471?: CVE-2017-1000471 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-2017-1000471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000471?: CVE-2017-1000471 affects Embedthis Goahead. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-1000471?: 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-2017-1000471 published?: CVE-2017-1000471 was published on 2018-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:embedthis:goahead:4.0.0:*:*:*:*:*:*:*

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