CVE-2020-4032
MEDIUMCVSS 4.3/10EPSS 1.84%
Last modified
CVE-2020-4032 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. EPSS estimates a 1.84% chance of exploitation in the next 30 days.
Description
In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 2.1.2 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Debian | Debian Linux | 10.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlThird Party Advisory
- http://www.freerdp.com/2020/06/22/2_1_2-releasedRelease Notes, Vendor Advisory
- https://github.com/FreeRDP/FreeRDP/commit/e7bffa64ef5ed70bac94f823e2b95262642f5296Patch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3898-mc89-x2vcMitigation, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4481-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.htmlThird Party Advisory
- http://www.freerdp.com/2020/06/22/2_1_2-releasedRelease Notes, Vendor Advisory
- https://github.com/FreeRDP/FreeRDP/commit/e7bffa64ef5ed70bac94f823e2b95262642f5296Patch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3898-mc89-x2vcMitigation, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/4481-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-4032?
In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.
How severe is CVE-2020-4032?
CVE-2020-4032 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.
How do I fix CVE-2020-4032?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-4032?
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