Advisory details:
vulnrichment / CVE-2021-4287
| Advisory ID | vulnrichment/CVE-2021-4287 |
| Aliases | |
| Summary | A vulnerability, which was classified as problematic, was found in ReFirm Labs binwalk up to 2.3.2. Affected is an unknown function of the file src/binwalk/modules/extractor.py of the component Archive Extraction Handler. The manipulation leads to symlink following. It is possible to launch the attack remotely. Upgrading to version 2.3.3 is able to address this issue. The name of the patch is fa0c0bd59b8588814756942fe4cb5452e76c1dcd. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216876. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 0.0 |
| Risk | |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 5 | |
| cvssv3.1 | 5 | |
| ssvc | Track |
| Reference id | Reference type | URL |
|---|---|---|
| 556 | Bug | https://github.com/ReFirmLabs/binwalk/pull/556 |
| ?ctiid.216876 | Other | https://vuldb.com/?ctiid.216876 |
| fa0c0bd59b8588814756942fe4cb5452e76c1dcd | Other | https://github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd |
| ?id.216876 | Advisory | https://vuldb.com/?id.216876 |
| v2.3.3 | Other | https://github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-11T14:42:13Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2021/4xxx/CVE-2021-4287.json
Source Advisory: vulnrichment/CVE-2021-4287
[{'Exploitation': 'none'},
{'Automatable': 'no'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]