Auth bypass in Siemens Scalance X200-4pirt
CVE-2020-15799
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). The vulnerability could allow an unauthenticated attacker to reboot the device over the network by using special urls from integrated web server of the affected products.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
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
- cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15799?
- CVE-2020-15799 is a medium-severity vulnerability in Siemens Scalance X200-4pirt, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2021-01-12.
- How severe is CVE-2020-15799?
- Medium severity. CVSS v3 base score is 6.5 out of 10.