CVE-2020-15007
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine)...
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
CVE-2020-15007- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
CVE-2020-15007- Updated
- 2026-11-02
EUVDEUVD-2020-7136 No score
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
EUVD-2020-7136- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fqq3-4hx4-vff7
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine)...
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
GHSA-fqq3-4hx4-vff7- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
CVE-2020-15007- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-15007
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- Record
DEBIAN-CVE-2020-15007- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
rbdoom3bfgDebian:12 |
All versions, plus listed versions 1.4.0+dfsg-21.4.0+dfsg-31.4.0+dfsg-41.4.0+dfsg-51.4.0+dfsg-61.4.0+dfsg-71.4.0+dfsg-81.4.0+dfsg-9 |
None known |
rbdoom3bfgDebian:13 |
All versions, plus listed versions 1.4.0+dfsg-51.4.0+dfsg-61.4.0+dfsg-71.4.0+dfsg-81.4.0+dfsg-9 |
None known |
rbdoom3bfgDebian:14 |
All versions, plus listed versions 1.4.0+dfsg-51.4.0+dfsg-61.4.0+dfsg-71.4.0+dfsg-81.4.0+dfsg-9 |
None known |
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-2020-15007 is a critical vulnerability (CVSS 9.8) in Idsoftware Tech 1, published June 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.49%, the 84th percentile. No source names a fixed version.