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Vulnerability details: VCID-yh1c-vsk2-abej
Vulnerability ID VCID-yh1c-vsk2-abej
Aliases CVE-2017-20005
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-190 Integer Overflow or Wraparound
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-20005.json
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
epss 0.01834 https://api.first.org/data/v1/epss?cve=CVE-2017-20005
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-20005
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-20005
Reference id Reference type URL
http://nginx.org/en/CHANGES
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-20005.json
https://api.first.org/data/v1/epss?cve=CVE-2017-20005
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-20005
https://github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccf
https://github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4b
https://lists.debian.org/debian-lts-announce/2021/06/msg00009.html
https://security.netapp.com/advisory/ntap-20210805-0006/
https://trac.nginx.org/nginx/ticket/1368
1974192 https://bugzilla.redhat.com/show_bug.cgi?id=1974192
cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2017-20005 https://nvd.nist.gov/vuln/detail/CVE-2017-20005
USN-5109-1 https://usn.ubuntu.com/5109-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-20005.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-20005
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-20005
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.82168
EPSS Score 0.01834
Published At Aug. 10, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:11.989755+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5109-1/ 37.0.0