Read the docs
TI-2020-07459 Aliases CVE-2020-9331GHSA-78q2-p2ph-jmx6

CryptoPro CSP through 5.0.0.10004 on 32-bit platforms allows Local Privilege Escalation…

Priority LOW 34Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00415 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cryptopro:csp:*:*:*:*:*:*:x86:*before 5.0.0.10004VulnerableCryptopro
  • cpe:2.3:a:cryptopro:csp:*:*:*:*:*:*:x86:* Versions before 5.0.0.10004 Vulnerable ·Cryptopro

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9331
  2. 2026-10-03 Alias added: GHSA-78q2-p2ph-jmx6

References

Exploit 1

  • TI-2020-07483 CryptoPro CSP through 5.0.0.10004 on 64-bit platforms allows local users with the… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences