Security restrictions bypass in Apache Solr
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-13957 |
| CWE-ID | CWE-693 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Apache Solr Client/Desktop applications / Other client software |
| Vendor | Apache Foundation |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Protection Mechanism Failure
EUVDB-ID: #VU47626
Risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-13957
CWE-ID:
CWE-693 - Protection Mechanism Failure
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures, configured in a ConfigSet that's uploaded via API without authentication/authorization. The checks in place to prevent such features can be circumvented by using a combination of UPLOAD/CREATE actions. A remote non-authenticated attacker can upload a specially crafted configuration and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsApache Solr: 6.6 - 8.6.2
External linksQ & 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.
