CVE-2023-46960
PyPXE Buffer Overflow vulnerability
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.6
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
CVE-2023-46960- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2024-1150
8.6
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
EUVD-2024-1150- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-82wx-rxf8-fxch
8.8
PyPXE Buffer Overflow vulnerability
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
GHSA-82wx-rxf8-fxch- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
8.6
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
CVE-2023-46960- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVGHSA-82wx-rxf8-fxch
8.8
PyPXE Buffer Overflow vulnerability
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
GHSA-82wx-rxf8-fxch- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSVPYSEC-2026-1838
8.8
PyPXE Buffer Overflow vulnerability
Buffer Overflow vulnerability in PyPXE v.1.8.4 allows a remote attacker to cause a denial of service via the handle function in the tftp module.
- Record
PYSEC-2026-1838- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
Affected products
Affected packages
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-2023-46960 is a high vulnerability (CVSS 8.6) in Pure Python Pxe Pypxe, published April 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.