Skip to content
Connect AISign inSign up free
CVE-2021-33217.5HighCWE-680

CVE-2021-3321: Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal

zephyrproject-rtos · zephyr

Vendor fix available · Affected: zephyrproject-rtos · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.8%probability of exploitation in the next 30 days
55th percentile
050100

Higher than 55% of scored CVEs

7.5HighCVSS 3.1
LowHigh

DescriptionCVE.org

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • zephyrproject-rtos · zephyr>=2.4.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
October 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-3321 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References