CVE-2020-23257
HIGHCVSS 7.5/10EPSS 0.87%
Last modified
CVE-2020-23257 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.
Description
Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Espruino | Espruino | 2.05.41 |
References
- http://www.espruino.com/Vendor Advisory
- https://github.com/espruino/Espruino/issues/1820Exploit, Issue Tracking
- http://www.espruino.com/Vendor Advisory
- https://github.com/espruino/Espruino/issues/1820Exploit, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-23257?
Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.
How severe is CVE-2020-23257?
CVE-2020-23257 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2020-23257?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-23257?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST