CVE-2017-7441
CVE-2017-7441 is a high-severity vulnerability in Sophos Hitmanpro with a CVSS 3.x base score of 7.8. 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-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Sophos Hitmanpro
- Published:
- Last modified:
Description
In Sophos SurfRight HitmanPro before 3.7.20 Build 286 (included in the HitmanPro.Alert solution and Sophos Clean), a crafted IOCTL with code 0x22E1C0 might lead to kernel data leaks. Because the leak occurs at the driver level, an attacker can use this vulnerability to leak some critical information about the machine such as nt!ExpPoolQuotaCookie.
Frequently asked questions
- What is CVE-2017-7441?
- In Sophos SurfRight HitmanPro before 3.7.20 Build 286 (included in the HitmanPro.Alert solution and Sophos Clean), a crafted IOCTL with code 0x22E1C0 might lead to kernel data leaks. Because the leak occurs at the driver level, an attacker can use this vulnerability to leak some critical information about the machine such as nt!ExpPoolQuotaCookie.
- How severe is CVE-2017-7441?
- CVE-2017-7441 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-7441 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-7441?
- CVE-2017-7441 affects Sophos Hitmanpro. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-7441?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-7441 published?
- CVE-2017-7441 was published on 2017-09-13 and last updated on 2026-06-17.
References
- https://trackwatch.com/kernel-pool-overflow-exploitation-in-real-world-windows-10/
- https://www.nuitduhack.com/fr/planning/talk_10
Affected products (1)
- cpe:2.3:a:sophos:hitmanpro:*:*:*:*:*:*:*:*
More vulnerabilities in Sophos Hitmanpro
- CVE-2017-6008 — High (CVSS 7.8): A kernel pool overflow in the driver hitmanpro37.sys in Sophos SurfRight HitmanPro before 3.7.20 Build 286 (included in…
- CVE-2021-25271 — Medium (CVSS 6.0): A local attacker could read or write arbitrary files with administrator privileges in HitmanPro before version Build…
- CVE-2017-6007 — Medium (CVSS 5.5): A kernel pool overflow in the driver hitmanpro37.sys in Sophos SurfRight HitmanPro before 3.7.20 Build 286 (included in…
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