Security restrictions bypass in Apache Solr



Published: 2020-08-19
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-13941
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Apache Solr
Client/Desktop applications / Other client software

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU45762

Risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13941

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input in the Replication handler. A remote authenticated user can bypass security restrictions and read/write data to the filesystem.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Solr: 6.3 - 8.5.2

External links

http://lists.apache.org/thread.html/rf54e7912b7d2b72c63ec54a7afa4adcbf16268dcc63253767dd67d60%40%3Cgeneral.lucene.apache.org%3E


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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