|CVSS Meta Temp Score|
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|CTI Interest Score|
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A vulnerability has been found in JerryScript 2.2.0 and classified as critical. The CWE definition for the vulnerability is CWE-617. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
There is an Assertion in '(flags >> CBC_STACK_ADJUST_SHIFT) >= CBC_STACK_ADJUST_BASE || (CBC_STACK_ADJUST_BASE - (flags >> CBC_STACK_ADJUST_SHIFT)) stack_depth' in parser_emit_cbc_backward_branch in JerryScript 2.2.0.
The weakness was released 06/11/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2020-23319 since 08/13/2020. The attack can only be initiated within the local network. A single authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/13/2021).
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: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
CountermeasuresRecommended: no mitigation known
0-Day Time: 🔒
Timeline08/13/2020 CVE assigned
06/11/2021 +302 days Advisory disclosed
06/11/2021 +0 days VulDB entry created
06/13/2021 +2 days VulDB last update
CVE: CVE-2020-23319 (🔒)
EntryCreated: 06/11/2021 01:34 PM
Updated: 06/13/2021 01:34 PM
Changes: (3) source_cve_assigned source_cve_nvd_summary advisory_confirm_url
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