Information disclosure in Amazon Web Services Freertos
CVE-2018-16527
Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow information disclosure during parsing of ICMP packets in prvProcessICMPPacket.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.018 (78.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md (Patch, Third Party Advisory)
- blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/ (Exploit, Third Party Advisory)
- blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-… (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16527?
- CVE-2018-16527 is a medium-severity vulnerability in Amazon Web Services Freertos, classified under Information Disclosure. CVSS score: 5.9/10. Published 2018-12-06.
- How severe is CVE-2018-16527?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-16527 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.