VDB-216930 · CVE-2020-36569 · GCVE-0-2020-36569

golang-nanoauth ListenAndServe authentication bypass

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in golang-nanoauth. Affected is the function ListenAndServe. The manipulation results in authentication bypass. This vulnerability is known as CVE-2020-36569. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in golang-nanoauth (version unknown). Affected is the function ListenAndServe. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-305. The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Authentication is globally bypassed in github.com/nanobox-io/golang-nanoauth between v0.0.0-20160722212129-ac0cc4484ad4 and v0.0.0-20200131131040-063a3fb69896 if ListenAndServe is called with an empty token.

The weakness was published 12/28/2022. The advisory is available at github.com. This vulnerability is traded as CVE-2020-36569 since 07/29/2022. Technical details are known, but there is no available exploit.

Applying the patch 063a3fb69896acf985759f0fe3851f15973993f3 is able to eliminate this problem. The bugfix is ready for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

golang-nanoauth

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Authentication bypass
CWE: CWE-305 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 063a3fb69896acf985759f0fe3851f15973993f3

Timelineinfo

07/29/2022 🔍
12/28/2022 +152 days 🔍
12/28/2022 +0 days 🔍
04/12/2025 +836 days 🔍

Sourcesinfo

Advisory: 063a3fb69896acf985759f0fe3851f15973993f3
Status: Confirmed

CVE: CVE-2020-36569 (🔍)
GCVE (CVE): GCVE-0-2020-36569
GCVE (VulDB): GCVE-100-216930

Entryinfo

Created: 12/28/2022 09:21
Updated: 04/12/2025 10:41
Changes: 12/28/2022 09:21 (38), 01/25/2023 12:43 (1), 01/25/2023 12:51 (11), 04/12/2025 10:41 (16)
Complete: 🔍
Cache ID: 216::103