CVE-2011-2921
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to...
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.
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
9.8
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.
- Record
CVE-2011-2921- 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
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-273
- Updated
- 2026-11-02
CVE List No score
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.
- Record
CVE-2011-2921- Updated
- 2026-11-02
EUVDEUVD-2011-2894 No score
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.
- Record
EUVD-2011-2894- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gp69-8v27-vccw
9.8
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to...
ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.
- Record
GHSA-gp69-8v27-vccw- 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-273
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ktsuss 1.4 - suid Privilege Escalation (Metasploit) | 2019-09-03 |
| Metasploit | ktsuss suid Privilege Escalation | 2011-08-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2921 is a critical vulnerability (CVSS 9.8) in Ktsuss, published November 19, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 83.1%, the 99th percentile. No source names a fixed version.