CVE-2020-15504
CVE-2020-15504 is a critical-severity vulnerability in Sophos Xg Firewall Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Sophos Xg Firewall Firmware
- Published:
- Last modified:
Description
A SQL injection vulnerability in the user and admin web interfaces of Sophos XG Firewall v18.0 MR1 and older potentially allows an attacker to run arbitrary code remotely. The fix is built into the re-release of XG Firewall v18 MR-1 (named MR-1-Build396) and the v17.5 MR13 release. All other versions >= 17.0 have received a hotfix.
Frequently asked questions
- What is CVE-2020-15504?
- A SQL injection vulnerability in the user and admin web interfaces of Sophos XG Firewall v18.0 MR1 and older potentially allows an attacker to run arbitrary code remotely. The fix is built into the re-release of XG Firewall v18 MR-1 (named MR-1-Build396) and the v17.5 MR13 release. All other versions >= 17.0 have received a hotfix.
- How severe is CVE-2020-15504?
- CVE-2020-15504 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-15504 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-15504?
- CVE-2020-15504 primarily affects Sophos Xg Firewall Firmware. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-15504?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-15504 published?
- CVE-2020-15504 was published on 2020-07-10 and last updated on 2026-06-17.
References
Affected products (14)
- cpe:2.3:o:sophos:xg_firewall_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release1:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release10:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release11:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release12:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release3:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release4:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release5:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release6:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release7:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release8:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:17.5:maintenance_release9:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:18.0:-:*:*:*:*:*:*
- cpe:2.3:o:sophos:xg_firewall_firmware:18.0:maintenance_release1:*:*:*:*:*:*
More vulnerabilities in Sophos Xg Firewall Firmware
- CVE-2020-15069 — Critical (CVSS 9.8): Sophos XG Firewall 17.x through v17.5 MR12 allows a Buffer Overflow and remote code execution via the HTTP/S Bookmarks…
- CVE-2022-3713 — High (CVSS 8.8): A code injection vulnerability allows adjacent attackers to execute code in the Wifi controller of Sophos Firewall…
- CVE-2020-17352 — High (CVSS 8.8): Two OS command injection vulnerabilities in the User Portal of Sophos XG Firewall through 2020-08-05 potentially allow…
- CVE-2022-3696 — High (CVSS 7.2): A post-auth code injection vulnerability allows admins to execute code in Webadmin of Sophos Firewall releases older…
- CVE-2022-3226 — High (CVSS 7.2): An OS command injection vulnerability allows admins to execute code via SSL VPN configuration uploads in Sophos…
- CVE-2022-3709 — Medium (CVSS 6.8): A stored XSS vulnerability allows admin to super-admin privilege escalation in the Webadmin import group wizard of…
All CVEs affecting Sophos Xg Firewall Firmware →
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