VDB-178723 · CVE-2021-31999 · GCVE-0-2021-31999

Rancher up to 2.4.15/2.5.8 reliance on untrusted inputs in a security decision

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Rancher up to 2.4.15/2.5.8. The affected element is an unknown function. This manipulation causes an unknown weakness. This vulnerability appears as CVE-2021-31999. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Rancher up to 2.4.15/2.5.8. The CWE definition for the vulnerability is CWE-807. The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 07/15/2021. It is possible to read the advisory at bugzilla.suse.com. This vulnerability is known as CVE-2021-31999. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.4.16 or 2.5.9 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Rancher

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Reliance on untrusted inputs in a security decision
CWE: CWE-807 / CWE-20
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: Rancher 2.4.16/2.5.9

Timelineinfo

05/03/2021 🔍
07/15/2021 +73 days 🔍
07/15/2021 +0 days 🔍
07/19/2021 +4 days 🔍

Sourcesinfo

Advisory: bugzilla.suse.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-31999 (🔍)
GCVE (CVE): GCVE-0-2021-31999
GCVE (VulDB): GCVE-100-178723

Entryinfo

Created: 07/15/2021 15:25
Updated: 07/19/2021 02:33
Changes: 07/15/2021 15:25 (34), 07/19/2021 02:25 (3), 07/19/2021 02:33 (2)
Complete: 🔍
Cache ID: 216::103