Vulnerability in Hcc-Embedded Nichestack
CVE-2021-36762
An issue was discovered in HCC Embedded InterNiche NicheStack through 4.3. The tfshnd():tftpsrv.c TFTP packet processing function doesn't ensure that a filename is adequately '\0' terminated; therefore, a subsequent call to strlen for the filename might read out of bounds of the protocol packet buffer (if no '\0' byte exists within a reasonable range).
EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.
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:H/I:N/A:N.
Affected products
- Hcc-embedded Nichestack
- N/a — versions n/a
References
- cve@mitre.org (Product, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-36762?
- CVE-2021-36762 is a high-severity vulnerability in Hcc-Embedded Nichestack. CVSS score: 7.5/10. Published 2021-08-19.
- How severe is CVE-2021-36762?
- High severity. CVSS v3 base score is 7.5 out of 10.