Issue was discovered in the fxParserTree function in moddable, allows attackers to cause denial of service via a crafted payload.

published 2021-07-13 5y ago modified 2026-06-17 4mo ago also EUVD-2020-15638

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Issue was discovered in the fxParserTree function in moddable, allows attackers to cause denial of service via a crafted payload. Fixed in commit 723816ab9b52f807180c99fc69c7d08cf6c6bd61.

Patch / fix

fixed in 1

moddable moddable os200831

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Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/Moddable-OpenSource/moddable/issues/351 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-843 Access of Resource Using Incompatible Type

References

github.com /Moddable-OpenSource/moddable/issues/351
exploit, third-party-advisory

Sources

CVE List CVE-2020-22882
NVD CVE-2020-22882

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