CVE-2020-25462
CVE-2020-25462 is a critical-severity vulnerability in Moddable with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Moddable
- Published:
- Last modified:
Description
Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.
Frequently asked questions
- What is CVE-2020-25462?
- Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.
- How severe is CVE-2020-25462?
- CVE-2020-25462 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-25462 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-25462?
- CVE-2020-25462 affects Moddable. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-25462?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-25462 published?
- CVE-2020-25462 was published on 2020-12-04 and last updated on 2026-06-17.
References
- https://github.com/Moddable-OpenSource/moddable/issues/432
- https://github.com/Moddable-OpenSource/moddable/releases/tag/OS200903
Affected products (1)
- cpe:2.3:a:moddable:moddable:*:*:*:*:*:*:*:*
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