CVE-2018-16522
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in...
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
- Record
CVE-2018-16522- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-824
- Updated
- 2026-11-02
CVE List No score
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
- Record
CVE-2018-16522- Updated
- 2026-11-02
EUVDEUVD-2018-8331 No score
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
- Record
EUVD-2018-8331- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5f6r-84gw-g44v
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in...
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
- Record
GHSA-5f6r-84gw-g44v- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-824
- Updated
- 2026-11-02
OSV
Amazon Web Services (AWS) FreeRTOS through 1.3.1 has an uninitialized pointer free in SOCKETS_SetSockOpt.
- Record
CVE-2018-16522- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16522 is a high vulnerability (CVSS 8.1) in Amazon Web Services Freertos, published December 6, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.
References
github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md
blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details
nvd.nist.gov/vuln/detail/CVE-2018-16522