Buffer overflow in Mz-automation Libiec61850
CVE-2020-15158
In libIEC61850 before version 1.4.3, when a message with COTP message length field with value < 4 is received an integer underflow will happen leading to heap buffer overflow. This can cause an application crash or on some platforms even t…
Vulnerability class: Buffer Overflow
EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H.
Affected products
- Mz-automation Libiec61850 — versions < 1.4.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-15158?
- CVE-2020-15158 is a high-severity vulnerability in Mz-automation Libiec61850, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.7/10. Published 2020-08-26.
- How severe is CVE-2020-15158?
- High severity. CVSS v3 base score is 7.7 out of 10.