MEDIUM
CVE-2023-30406
CWE-400Published: April 24, 2023· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
Jerryscript commit 1a2c047 was discovered to contain a segmentation violation via the component ecma_find_named_property at /base/ecma-helpers.c.
Technical Analysis
CVE-2023-30406 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
jerryscript1 product(s)
jerryscript
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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Rapid7 / Metasploit
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Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (2)
→
https://github.com/jerryscript-project/jerryscript/issues/5058Exploit · Issue Tracking · Vendor Advisory
→
https://github.com/jerryscript-project/jerryscript/issues/5058Exploit · Issue Tracking · Vendor Advisory
Quick Facts
CVE IDCVE-2023-30406
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-400
CISA KEVNo
Affected1 vendor(s)
PublishedApr 24, 2023
Related CVEs (CWE-400)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-30406 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.