Nginx up to 1.13.5 Autoindex integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Nginx up to 1.13.5. It has been classified as critical. This impacts an unknown function of the component Autoindex Module. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2017-20005. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nginx up to 1.13.5 (Web Server) and classified as critical. This issue affects an unknown code block of the component Autoindex Module. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability.

The weakness was published 06/07/2021. The advisory is shared at trac.nginx.org. The identification of this vulnerability is CVE-2017-20005. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 310760 (Juniper Junos OS Multiple Vulnerabilities (JSA88135)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.13.6 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (310760). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 310760
Nessus Name: Juniper Junos OS Multiple Vulnerabilities (JSA88135)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nginx 1.13.6
Patch: github.com

Timelineinfo

06/06/2021 🔍
06/07/2021 +1 days 🔍
06/07/2021 +0 days 🔍
04/29/2026 +1787 days 🔍

Sourcesinfo

Product: github.com

Advisory: trac.nginx.org
Status: Confirmed

CVE: CVE-2017-20005 (🔍)
GCVE (CVE): GCVE-0-2017-20005
GCVE (VulDB): GCVE-100-176405

Entryinfo

Created: 06/07/2021 10:09
Updated: 04/29/2026 14:38
Changes: 06/07/2021 10:09 (39), 06/10/2021 10:06 (5), 12/05/2025 16:21 (33), 04/29/2026 14:38 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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