VDB-252612 · CVE-2021-4435 · GCVE-0-2021-4435

yarn prior 1.22.13 untrusted search path

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in yarn. This affects an unknown function. The manipulation results in untrusted search path. This vulnerability is reported as CVE-2021-4435. The attack requires a local approach. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in yarn. Affected is an unknown part. The manipulation with an unknown input leads to a untrusted search path vulnerability. CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/01/2024. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2021-4435 since 02/01/2024. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

Upgrading to version 1.22.13 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

yarn

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (Fedora Project): 🔍

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: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: yarn 1.22.13
Patch: github.com

Timelineinfo

02/01/2024 🔍
02/01/2024 +0 days 🔍
02/01/2024 +0 days 🔍
02/24/2024 +23 days 🔍

Sourcesinfo

Advisory: 67fcce88935e45092ffa2674c08053f1ef5268a1
Status: Confirmed

CVE: CVE-2021-4435 (🔍)
GCVE (CVE): GCVE-0-2021-4435
GCVE (VulDB): GCVE-100-252612

Entryinfo

Created: 02/01/2024 22:26
Updated: 02/24/2024 12:07
Changes: 02/01/2024 22:26 (35), 02/24/2024 12:00 (4), 02/24/2024 12:07 (21)
Complete: 🔍
Cache ID: 216::103