CVE-2021-44479
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other...
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
- Record
CVE-2021-44479- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AC:L/AV:L/A:L/C:H/I:N/PR:L/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-31312
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
- Record
EUVD-2021-31312- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AC:L/AV:L/A:L/C:H/I:N/PR:L/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vvcf-vw9f-7qr5 No score
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other...
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
- Record
GHSA-vvcf-vw9f-7qr5- Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
NXP Kinetis K82 devices have a buffer over-read via a crafted wlength value in a GET Status-Other request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.
- Record
CVE-2021-44479- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-44479 is a medium vulnerability (CVSS 6.1) in Nxp Kinetis K82 Firmware, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.