Buffer overflow in Siemens Scalance X200-4pirt
CVE-2020-15800
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). The webserver of the affected devices contains a vulnerability that may lead to a heap overflow condition. An attacker could cause this condition on the webserver by sending specially crafted requests. This could stop the webserver temporarily.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (74.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Siemens Scalance_x200-4pirt
- Siemens Scalance_x200-4pirt_firmware
- Siemens Scalance X-200irt Switch Family (Incl. Siplus Net Variants) — versions All versions < V5.5.0
- Siemens Scalance X-200 Switch Family (Incl. Siplus Net Variants) — versions All versions < V5.2.5
- Siemens Scalance_x201-3pirt
- Siemens Scalance_x201-3pirt_firmware
- Siemens Scalance_x202-2irt
- Siemens Scalance_x202-2irt_firmware
- Siemens Scalance_x202-2pirt
- Siemens Scalance_x202-2pirt_firmware
Weakness classification (CWE)
References
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15800?
- CVE-2020-15800 is a critical-severity vulnerability in Siemens Scalance X200-4pirt, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2021-01-12.
- How severe is CVE-2020-15800?
- Critical severity. CVSS v3 base score is 9.8 out of 10.