VDB-189870 · CVE-2021-43297 · GCVE-0-2021-43297

Apache Dubbo up to 2.6.11/2.7.14/3.0.4/3.2.10 Hessian2 Protocol deserialization

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, which was classified as critical, was found in Apache Dubbo up to 2.6.11/2.7.14/3.0.4/3.2.10. Affected is an unknown function of the component Hessian2 Protocol Handler. The manipulation results in deserialization. This vulnerability is known as CVE-2021-43297. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Dubbo up to 2.6.11/2.7.14/3.0.4/3.2.10. It has been classified as critical. Affected is some unknown functionality of the component Hessian2 Protocol Handler. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 01/10/2022. The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2021-43297 since 11/03/2021. The technical details are unknown and an exploit is not available.

Upgrading to version 2.6.12, 2.7.15, 3.0.5 or 3.2.11 eliminates this vulnerability.

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Productinfo

Vendor

Apache

Name

Dubbo

Version

License

open-source

Website

Vendor: https://www.apache.org/

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
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / 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: Dubbo 2.6.12/2.7.15/3.0.5/3.2.11

Timelineinfo

11/03/2021 🔍
01/10/2022 +68 days 🔍
01/10/2022 +0 days 🔍
01/12/2022 +2 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2021-43297 (🔍)
GCVE (CVE): GCVE-0-2021-43297
GCVE (VulDB): GCVE-100-189870

Entryinfo

Created: 01/10/2022 18:35
Updated: 01/12/2022 09:59
Changes: 01/10/2022 18:35 (39), 01/12/2022 09:59 (1)
Complete: 🔍
Cache ID: 216::103