CVE-2020-11520
CVE-2020-11520 is a high-severity vulnerability in Winmagic Securedoc 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: 4.6
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Winmagic Securedoc
- Published:
- Last modified:
Description
The SDDisk2k.sys driver of WinMagic SecureDoc v8.5 and earlier allows local users to write to arbitrary kernel memory addresses because the IOCTL dispatcher lacks pointer validation. Exploiting this vulnerability results in privileged code execution.
Frequently asked questions
- What is CVE-2020-11520?
- The SDDisk2k.sys driver of WinMagic SecureDoc v8.5 and earlier allows local users to write to arbitrary kernel memory addresses because the IOCTL dispatcher lacks pointer validation. Exploiting this vulnerability results in privileged code execution.
- How severe is CVE-2020-11520?
- CVE-2020-11520 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-2020-11520 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11520?
- CVE-2020-11520 affects Winmagic Securedoc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11520?
- 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-2020-11520 published?
- CVE-2020-11520 was published on 2020-06-22 and last updated on 2026-06-17.
References
- https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2-hf1
- https://www.winmagic.com/support/release-notes/securedoc-v8-5-sr2/
Affected products (1)
- cpe:2.3:a:winmagic:securedoc:*:*:*:*:*:*:*:*
More vulnerabilities in Winmagic Securedoc
- CVE-2020-11519 — High (CVSS 7.8): The SDDisk2k.sys driver of WinMagic SecureDoc v8.5 and earlier allows local users to read or write to physical disc…
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