Vulnerability Details : CVE-2020-12242
Valve Source allows local users to gain privileges by writing to the /tmp/hl2_relaunch file, which is later executed in the context of a different user account.
Products affected by CVE-2020-12242
- cpe:2.3:a:valvesoftware:source:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12242
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12242
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-12242
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12242
-
https://0xem.ma/cve/2020/04/28/Source-hl2-relaunch-exec.html
0xEm.maSource Engine LPE/Arbitrary Code Execution; CVE-2020-12242Exploit;Third Party Advisory
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