Cesanta MJS 2.20.0 src/mjs_json.c free_json_frame denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cesanta MJS 2.20.0. This affects the function free_json_frame of the file src/mjs_json.c. This manipulation causes denial of service.
This vulnerability is registered as CVE-2021-46550. No exploit is available.
Details
A vulnerability was found in Cesanta MJS 2.20.0. It has been declared as problematic. Affected by this vulnerability is the function free_json_frame of the file src/mjs_json.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
The weakness was published 01/28/2022 as 230. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-46550 since 01/24/2022. Technical details of the vulnerability are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/cesanta/mjs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/24/2022 🔍01/28/2022 🔍
01/28/2022 🔍
01/30/2022 🔍
Sources
Product: github.comAdvisory: 230
Status: Confirmed
CVE: CVE-2021-46550 (🔍)
GCVE (CVE): GCVE-0-2021-46550
GCVE (VulDB): GCVE-100-191815
Entry
Created: 01/28/2022 10:00Updated: 01/30/2022 09:40
Changes: 01/28/2022 10:00 (39), 01/30/2022 09:40 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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