RCE in Sebhildebrandt Systeminformation
CVE-2021-21388
systeminformation is an open source system and OS information library for node.js. A command injection vulnerability has been discovered in versions of systeminformation prior to 5.6.4. The issue has been fixed with a parameter check on user input. Please upgrade to version >= 5.6.4. If you cannot upgrade, be sure to check or sanitize service parameters that are passed to si.inetLatency(), si.inetChecksite(), si.services(), si.processLoad() and other commands. Only allow strings, reject any arrays. String sanitation works as expected.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:H.
Affected products
- Sebhildebrandt Systeminformation — versions < 5.6.4
- Systeminformation
Weakness classification (CWE)
References
- security-advisories@github.com (Product, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21388?
- CVE-2021-21388 is a high-severity vulnerability in Sebhildebrandt Systeminformation, classified under Improper Input Validation. CVSS score: 8.9/10. Published 2021-04-29.
- How severe is CVE-2021-21388?
- High severity. CVSS v3 base score is 8.9 out of 10.