ngx_http_lua_module up to 0.10.15 API an privilege escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in ngx_http_lua_module up to 0.10.15. It has been classified as problematic. The affected element is an unknown function of the component API. The manipulation of the argument an leads to an unknown weakness. This vulnerability is documented as CVE-2020-36309. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ngx_http_lua_module up to 0.10.15. This issue affects an unknown code block of the component API. The manipulation of the argument an with an unknown input leads to a unknown weakness. The impact remains unknown.

The weakness was released 04/07/2021. The advisory is shared at news.ycombinator.com. The identification of this vulnerability is CVE-2020-36309. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240484 (Debian dla-4228 : libnginx-mod-http-auth-pam - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.10.16 eliminates this vulnerability. The upgrade is hosted for download at github.com. 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 (240484). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 240484
Nessus Name: Debian dla-4228 : libnginx-mod-http-auth-pam - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ngx_http_lua_module 0.10.16
Patch: github.com

Timelineinfo

04/06/2021 🔍
04/07/2021 +1 days 🔍
04/07/2021 +0 days 🔍
11/04/2025 +1672 days 🔍

Sourcesinfo

Advisory: news.ycombinator.com
Status: Confirmed

CVE: CVE-2020-36309 (🔍)
GCVE (CVE): GCVE-0-2020-36309
GCVE (VulDB): GCVE-100-172541

Entryinfo

Created: 04/07/2021 08:01
Updated: 11/04/2025 04:09
Changes: 04/07/2021 08:01 (38), 04/11/2021 09:50 (5), 06/26/2025 21:55 (17), 11/04/2025 04:09 (18)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!