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Known exploited vulnerability

CVE-2019-0193

highCVSS 3.1 7.2In CISA KEVEPSS 84%Published · Apache

The short answer

CVE-2019-0193 affects Apache Apache Solr and is rated high (CVSS 7.2). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-12-10: attackers are using it, so patch it first. Fixed versions are published for solr-core (8.2.0).

What it is

In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen uses this to allow convenient debugging / development of a DIH config. Since a DIH config can contain scripts, this parameter is a security risk. Starting with version 8.2.0 of Solr, use of this parameter requires setting the Java System property "enable.dih.dataConfigParam" to true.

Weakness: CWE-94.

Severity

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Dec 10, 2021

Federal due date Jun 10, 2022

EPSS, next 30 days

84%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected packages and fixed versions

PackageEcosystemFixed inAdvisory
org.apache.solr:solr-coreMaven8.2.0GHSA-3gm7-v7vw-866c

Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.

Affected products

Apache Solr. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2019-0193 being exploited?

Yes. CISA added CVE-2019-0193 to its Known Exploited Vulnerabilities catalog on 2021-12-10, with a federal remediation due date of 2022-06-10.

How do I fix CVE-2019-0193?

Upgrade to a fixed version: org.apache.solr:solr-core (Maven) 8.2.0. CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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