Cyber Resilience

CVE-2020-23319

HighPublic PoC

Published: 10 June 2021

Published
10 June 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0027 51.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-23319 is a high-severity Reachable Assertion (CWE-617) vulnerability in Jerryscript Jerryscript. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 48.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

There is an Assertion in '(flags >> CBC_STACK_ADJUST_SHIFT) >= CBC_STACK_ADJUST_BASE || (CBC_STACK_ADJUST_BASE - (flags >> CBC_STACK_ADJUST_SHIFT)) <= context_p->stack_depth' in parser_emit_cbc_backward_branch in JerryScript 2.2.0.

CWE(s)
CWE-617

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

jerryscript
jerryscript
2.2.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References