FreeRDP up to 2.4.0 GDI/SurfaceCommands width/height out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in FreeRDP up to 2.4.0. Affected by this issue is some unknown functionality of the component GDI/SurfaceCommands. The manipulation of the argument width/height results in out-of-bounds write. This vulnerability was named CVE-2021-41160. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.
Details
A vulnerability was found in FreeRDP up to 2.4.0. It has been classified as critical. Affected is some unknown functionality of the component GDI/SurfaceCommands. The manipulation of the argument width/height with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was presented 10/22/2021 as GHSA-7c9r-6r2q-93qg. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-41160 since 09/15/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 216351 (Debian dla-4053 : freerdp2-dev - security update), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 2.4.1 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (216351). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
License
Website
- Product: https://github.com/FreeRDP/FreeRDP/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 216351
Nessus Name: Debian dla-4053 : freerdp2-dev - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: FreeRDP 2.4.1
Timeline
09/15/2021 🔍10/22/2021 🔍
10/22/2021 🔍
11/04/2025 🔍
Sources
Product: github.comAdvisory: GHSA-7c9r-6r2q-93qg
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-41160 (🔍)
GCVE (CVE): GCVE-0-2021-41160
GCVE (VulDB): GCVE-100-185208
Entry
Created: 10/22/2021 07:16Updated: 11/04/2025 09:43
Changes: 10/22/2021 07:16 (50), 10/28/2021 14:40 (2), 02/16/2025 00:51 (17), 11/04/2025 09:43 (19)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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