Out-of-bounds Read in Siemens Pss Cape
CVE-2021-20094
A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Siemens Pss Cape
- Siemens Sicam 230
- Siemens Sicam 230 Firmware
- Wibu Codemeter
- Wibu-Systems Codemeter — versions < 7.21a
Weakness classification (CWE)
References
- www.tenable.com/security/research/tra-2021-24 (Exploit, Patch, Third Party Advisory)
- cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-… (Mitigation, Vendor Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf (Patch, Third Party Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-210-02 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20094?
- CVE-2021-20094 is a high-severity vulnerability in Siemens Pss Cape, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2021-06-16.
- How severe is CVE-2021-20094?
- High severity. CVSS v3 base score is 7.5 out of 10.