CVE-2020-19693
CVE-2020-19693 is a critical-severity vulnerability in Espruino 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)
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Espruino
- Published:
- Last modified:
Description
An issue found in Espruino Espruino 6ea4c0a allows an attacker to execute arbitrrary code via oldFunc parameter of the jswrap_object.c:jswrap_function_replacewith endpoint.
Frequently asked questions
- What is CVE-2020-19693?
- An issue found in Espruino Espruino 6ea4c0a allows an attacker to execute arbitrrary code via oldFunc parameter of the jswrap_object.c:jswrap_function_replacewith endpoint.
- How severe is CVE-2020-19693?
- CVE-2020-19693 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-2020-19693 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-19693?
- CVE-2020-19693 affects Espruino. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-19693?
- 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-2020-19693 published?
- CVE-2020-19693 was published on 2023-04-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:espruino:espruino:2019-06-28:*:*:*:*:*:*:*
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