CVE-2021-3899
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.
Existe una condición de ejecución en la detección de 'ejecutable reemplazado' que, con la configuración local correcta, permite a un atacante ejecutar código arbitrario como root.
*Credits:
Muqing Liu from Singurlar Security Lab, neoni
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-10-23 CVE Reserved
- 2022-05-17 CVE Published
- 2024-06-04 EPSS Updated
- 2024-08-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376 | Issue Tracking | |
| https://www.cve.org/CVERecord?id=CVE-2021-3899 | Issue Tracking |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://ubuntu.com/security/notices/USN-5427-1 | 2024-06-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Canonical Ltd. Search vendor "Canonical Ltd." | Apport Search vendor "Canonical Ltd." for product "Apport" | < 2.21.0 Search vendor "Canonical Ltd." for product "Apport" and version " < 2.21.0" | en |
Affected
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