|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability has been found in Cesanta MJS 2.20.0 and classified as critical. Affected by this vulnerability is some unknown functionality in the library /usr/lib/x86_64-linux-gnu/libasan.so.4. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-122. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Cesanta MJS v2.20.0 was discovered to contain a heap buffer overflow via /usr/lib/x86_64-linux-gnu/libasan.so.4+0xaff53.
The weakness was disclosed 01/28/2022 as 196. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-46522 since 01/24/2022. The exploitation appears to be easy. The attack can only be initiated within the local network. A single authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/29/2022).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSSv3VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
CountermeasuresRecommended: no mitigation known
0-Day Time: 🔒
Timeline01/24/2022 CVE reserved
01/28/2022 +4 days Advisory disclosed
01/28/2022 +0 days VulDB entry created
01/29/2022 +1 days VulDB last update
CVE: CVE-2021-46522 (🔒)
EntryCreated: 01/28/2022 08:48 AM
Updated: 01/29/2022 05:43 PM
Changes: (1) source_cve_nvd_summary
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