Is CVE-2017-20005 in the CISA KEV catalog?

No. CVE-2017-20005 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-20005?

CVE-2017-20005 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-20005?

CVE-2017-20005 has an EPSS score of 3.28% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-20005?

Upgrade nginx on debian 11 to 1.13.6-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-20005

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

Description

NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.

CWE-190Integer Overflow CWE-120Classic Buffer Overflow

How to fix

Remediation Available

nginxDebian

Fixed in:1.13.6-1CVE-2017-20005

nginxUbuntu

Fixed in:1.4.6-1ubuntu3.9+esm3USN-5109-1

Fixed in:1.10.3-0ubuntu0.16.04.5+esm2USN-5109-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.28%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch3

Vendor Advisory1

nginx.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-05.