CVE-2011-2921
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 83.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 83.11% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 3 September 2019
- CISA KEV
- Not listed
- Weakness
- CWE-273
- Affected
- ktsuss project/ktsuss
- Source
- secalert@redhat.com
EPSS 83.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/154307/ktsuss-Suid-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2011-2921Broken Link, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-2921Third Party Advisory
- http://packetstormsecurity.com/files/154307/ktsuss-Suid-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/security/cve/cve-2011-2921Broken Link, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2011-2921Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.