CVE-2020-1986
Secdo: Local authenticated users can cause Windows system crash
- Published
- Updated
- Reserved
- Assigned by
- palo_alto
Description
Improper input validation vulnerability in Secdo allows an authenticated local user with 'create folders or append data' access to the root of the OS disk (C:\) to cause a system crash on every login. This issue affects all versions Secdo for Windows.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| palo_altoCNA (assigner) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (5 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
What to do
Solution: This product is no longer supported and the issue will not be fixed. This issue can be easily mitigated by creating a "C:\proc" folder and not allowing unprivileged users to access to that folder, or ensuring unprivileged users do not have 'create folder' access to the root of a disk (C:\).
Workaround: Exploitation of this issue can be prevented by creating a "C:\proc" folder and not allowing unprivileged users to access that folder.
References (1)
- https://security.paloaltonetworks.com/CVE-2020-1986 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-1986)Record last updated .