VDB-192050 · CVE-2021-43859 · GHSA-rmr5-cpv2-vgjf

XStream up to 1.4.18 resource consumption

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in XStream up to 1.4.18. Affected by this issue is some unknown functionality. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2021-43859. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in XStream up to 1.4.18. It has been rated as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability.

The weakness was published 02/01/2022 as GHSA-rmr5-cpv2-vgjf. The advisory is available at github.com. This vulnerability is handled as CVE-2021-43859 since 11/16/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 213317 (Debian dla-4001 : libxstream-java - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.4.19 eliminates this vulnerability. Applying the patch e8e88621ba1c85ac3b8620337dd672e0c0c3a846 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 (213317). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

XStream

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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
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Nessus ID: 213317
Nessus Name: Debian dla-4001 : libxstream-java - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: XStream 1.4.19
Patch: e8e88621ba1c85ac3b8620337dd672e0c0c3a846

Timelineinfo

11/16/2021 🔍
02/01/2022 +77 days 🔍
02/01/2022 +0 days 🔍
05/23/2025 +1207 days 🔍

Sourcesinfo

Advisory: GHSA-rmr5-cpv2-vgjf
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43859 (🔍)
GCVE (CVE): GCVE-0-2021-43859
GCVE (VulDB): GCVE-100-192050

Entryinfo

Created: 02/01/2022 15:16
Updated: 05/23/2025 22:04
Changes: 02/01/2022 15:16 (50), 02/04/2022 09:10 (2), 12/22/2024 03:22 (21), 05/23/2025 22:04 (18)
Complete: 🔍
Cache ID: 216::103

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