VDB-188990 · CVE-2021-44548 · GCVE-0-2021-44548

Apache Solr up to 8.11.0 SMB DataImportHandler path traversal

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apache Solr up to 8.11.0 and classified as critical. Affected is the function DataImportHandler of the component SMB Handler. Such manipulation leads to path traversal. This vulnerability is referenced as CVE-2021-44548. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Solr up to 8.11.0. It has been rated as critical. Affected by this issue is the function DataImportHandler of the component SMB Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality.

The weakness was published 12/23/2021. The advisory is available at solr.apache.org. This vulnerability is handled as CVE-2021-44548 since 12/04/2021. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 8.11.1 eliminates this vulnerability.

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Productinfo

Vendor

Apache

Name

Solr

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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: Solr 8.11.1

Timelineinfo

12/04/2021 🔍
12/23/2021 +19 days 🔍
12/23/2021 +0 days 🔍
12/26/2021 +3 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: solr.apache.org
Status: Confirmed

CVE: CVE-2021-44548 (🔍)
GCVE (CVE): GCVE-0-2021-44548
GCVE (VulDB): GCVE-100-188990

Entryinfo

Created: 12/23/2021 15:02
Updated: 12/26/2021 14:32
Changes: 12/23/2021 15:02 (40), 12/26/2021 14:32 (1)
Complete: 🔍
Cache ID: 216::103