What’s Vulnerable › Vulnerabilities
CVE-2020-9331
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-10-23 · updated 2026-06-17
Description
CryptoPro CSP through 5.0.0.10004 on 32-bit platforms allows Local Privilege Escalation (by local users with the SeChangeNotifyPrivilege right) because user-mode input is mishandled during process creation. An attacker can write arbitrary data to an arbitrary location in the kernel's address space.
Affected products
- Cryptopro Csp: before 5.0.0.10004 — fixed in 5.0.0.10004
How to fix
Upgrade to a fixed version: Cryptopro Csp 5.0.0.10004. Check the vendor advisory for mitigations.
References
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