HOMEVULNERABILITIESCVE-2020-14163
HIGH

CVE-2020-14163

CWE-125Published: June 15, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

An issue was discovered in ecma/operations/ecma-container-object.c in JerryScript 2.2.0. Operations with key/value pairs did not consider the case where garbage collection is triggered after the key operation but before the value operation, as demonstrated by improper read access to memory in ecma_gc_set_object_visited in ecma/base/ecma-gc.c.

NVD Source

Technical Analysis

CVE-2020-14163 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821
PATCHhttps://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821
ADVISORYhttps://github.com/jerryscript-project/jerryscript/issues/3804
ADVISORYhttps://github.com/jerryscript-project/jerryscript/issues/3804

All References (4)

→
https://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821Patch · Vendor Advisory
→
https://github.com/jerryscript-project/jerryscript/issues/3804Third Party Advisory
→
https://github.com/jerryscript-project/jerryscript/commit/c2b662170245a16f46ce02eae68815c325d99821Patch · Vendor Advisory
→
https://github.com/jerryscript-project/jerryscript/issues/3804Third Party Advisory

Quick Facts

CVE IDCVE-2020-14163
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedJun 15, 2020

Related CVEs (CWE-125)

CVE-2021-21777
10.0
CVE-2017-14451
10.0
CVE-2021-41556
10.0
CVE-2013-0767
10.0
CVE-2009-2523
10.0
CVE-2023-26489
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-14163 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.
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