CVE-2020-23308
CVSS v3
7.5
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
There is an Assertion 'context_p->stack_top_uint8 == LEXER_EXPRESSION_START' at js-parser-expr.c:3565 in parser_parse_expression in JerryScript 2.2.0.
Technical details
- Published
- 2021-06-10
Frequently asked questions
What is CVE-2020-23308?
There is an Assertion 'context_p->stack_top_uint8 == LEXER_EXPRESSION_START' at js-parser-expr.c:3565 in parser_parse_expression in JerryScript 2.2.0.
Is CVE-2020-23308 actively exploited?
Active exploitation of CVE-2020-23308 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-23308?
CVE-2020-23308 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-23308 affecting your environment?
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