| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability was found in FreeLAN 2.2. It has been rated as critical. Impacted is an unknown function of the component File Handler. This manipulation causes unquoted search path. The identification of this vulnerability is CVE-2021-43455. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. A duplicate CVE-2021-47882 appears to be assigned to this entry.
Details
A vulnerability classified as critical was found in FreeLAN 2.2. Affected by this vulnerability is an unknown function of the component File Handler. The manipulation with an unknown input leads to a unquoted search path vulnerability. The CWE definition for the vulnerability is CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was shared 04/04/2022 as 197919. It is possible to read the advisory at exchange.xforce.ibmcloud.com. This vulnerability is known as CVE-2021-43455 since 11/08/2021. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.
It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (197919) and Exploit-DB (49630). Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
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 |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Unquoted search pathCWE: CWE-428 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/08/2021 🔍04/04/2022 🔍
04/04/2022 🔍
01/21/2026 🔍
Sources
Advisory: 197919Status: Not defined
CVE: CVE-2021-43455 (🔍)
CVE Duplicate: 🔍
GCVE (CVE): GCVE-0-2021-43455
GCVE (VulDB): GCVE-100-196399
X-Force: 197919
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/04/2022 18:59Updated: 01/21/2026 20:14
Changes: 04/04/2022 18:59 (42), 04/06/2022 08:28 (1), 01/21/2026 20:14 (15)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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