VDB-180056 · CVE-2021-32813 · GCVE-0-2021-32813

Traefik up to 2.4.12 Connection Header dynamically-managed code resources

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Traefik up to 2.4.12. This affects an unknown function of the component Connection Header Handler. Such manipulation leads to dynamically-managed code resources. This vulnerability is documented as CVE-2021-32813. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Traefik up to 2.4.12. Affected by this issue is some unknown functionality of the component Connection Header Handler. The manipulation with an unknown input leads to a dynamically-managed code resources vulnerability. Using CWE to declare the problem leads to CWE-913. The product does not properly restrict reading from or writing to dynamically-managed code resources such as variables, objects, classes, attributes, functions, or executable instructions or statements. Impacted is confidentiality, integrity, and availability.

The weakness was released 08/04/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-32813. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.4.13 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Traefik

Version

Website

Product: https://github.com/traefik/traefik/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Dynamically-managed code resources
CWE: CWE-913
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Traefik 2.4.13
Patch: github.com

Timelineinfo

05/12/2021 🔍
08/04/2021 +84 days 🔍
08/04/2021 +0 days 🔍
08/07/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32813 (🔍)
GCVE (CVE): GCVE-0-2021-32813
GCVE (VulDB): GCVE-100-180056

Entryinfo

Created: 08/04/2021 13:05
Updated: 08/07/2021 18:52
Changes: 08/04/2021 13:05 (39), 08/07/2021 18:45 (3), 08/07/2021 18:52 (1)
Complete: 🔍
Cache ID: 216::103