WhiteBeam 0.2.0/0.2.1 OpenFileDescriptor incorrect behavior order
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic was found in WhiteBeam 0.2.0/0.2.1. This affects the function OpenFileDescriptor. Executing a manipulation can lead to incorrect behavior order.
The identification of this vulnerability is CVE-2021-47688. The attack can only be executed locally. There is no exploit available.
Upgrading the affected component is advised.
Details
A vulnerability was found in WhiteBeam 0.2.0/0.2.1. It has been declared as problematic. This vulnerability affects the function OpenFileDescriptor. The manipulation with an unknown input leads to a incorrect behavior order vulnerability. The CWE definition for the vulnerability is CWE-696. The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways which may produce resultant weaknesses. As an impact it is known to affect integrity, and availability. CVE summarizes:
In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed.
The advisory is shared for download at github.com. This vulnerability was named CVE-2021-47688 since 06/23/2025. The exploitation appears to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available.
Upgrading to version 0.2.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2021-34681). Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.1VulDB Meta Temp Score: 4.9
VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.7
CNA Vector (MITRE): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Incorrect behavior orderCWE: CWE-696
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WhiteBeam 0.2.2
Timeline
06/23/2025 🔍06/23/2025 🔍
06/23/2025 🔍
06/23/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2021-47688 (🔍)
GCVE (CVE): GCVE-0-2021-47688
GCVE (VulDB): GCVE-100-313684
EUVD: 🔍
Entry
Created: 06/23/2025 22:05Updated: 06/23/2025 23:16
Changes: 06/23/2025 22:05 (62), 06/23/2025 23:16 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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