#VU45887 SQL injection in Sophos Firewall - CVE-2020-15504

Vulnerability identifier: #VU45887

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-15504

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sophos Firewall
Hardware solutions / Security hardware applicances

Vendor: Sophos

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Sophos Firewall: before 17.5, 17.5

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External links
https://community.sophos.com/b/security-blog/posts/advisory-resolved-rce-via-sqli-cve-2020-15504
https://www.sophos.com/en-us/security-advisories/sophos-sa-20200710-xg-sqli-rce

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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