Vulnerability in Westermo Weos
CVE-2015-7923
Westermo WeOS before 4.19.0 uses the same SSL private key across different customers' installations, which makes it easier for man-in-the-middle attackers to defeat cryptographic protection mechanisms by leveraging knowledge of a key.
Vulnerability class: POODLE (CVE-2014-3566)
EPSS: 0.012 (64.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Westermo Weos — versions 4.18.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-7923?
- CVE-2015-7923 is a critical-severity vulnerability in Westermo Weos, classified under Cryptographic Issues. CVSS score: 9.0/10. Published 2016-01-30.
- How severe is CVE-2015-7923?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2015-7923 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.