Buffer overflow in Siemens Capital Embedded Ar Classic 431-422
CVE-2021-31883
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). When processing a DHCP ACK message, the DHCP client application does not validate the len…
Vulnerability class: Buffer Overflow
EPSS: 0.014 (80.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Siemens Capital Embedded Ar Classic 431-422 — versions 0
- Siemens Capital Embedded Ar Classic R20-11 — versions 0
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf (x_refsource_MISC)
- cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf (x_refsource_MISC)
- cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf (x_refsource_MISC)
- cert-portal.siemens.com/productcert/html/ssa-114589.html
- cert-portal.siemens.com/productcert/html/ssa-044112.html
- cert-portal.siemens.com/productcert/html/ssa-620288.html
Frequently asked questions
- What is CVE-2021-31883?
- CVE-2021-31883 is a high-severity vulnerability in Siemens Capital Embedded Ar Classic 431-422, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.1/10. Published 2021-11-09.
- How severe is CVE-2021-31883?
- High severity. CVSS v3 base score is 7.1 out of 10.