Vulnerability Details : CVE-2021-43414
Potential exploit
An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.
Vulnerability category: Gain privilege
Products affected by CVE-2021-43414
- cpe:2.3:a:gnu:hurd:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-43414
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-43414
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2021-43414
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-43414
-
https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html
How do I disclose a vulnerability?Exploit;Mailing List;Vendor Advisory
-
https://www.mail-archive.com/bug-hurd@gnu.org/msg32114.html
[VULN 4/4] Process auth man-in-the-middleExploit;Vendor Advisory
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