CVE-2011-2921

highpriority · attend · 78EPSS 0.831 · 100 %ileexploit · weaponizedEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

83.1% (100th) EPSS

CVSS 10 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-23

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-273USprimary

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/linux/local/ktsuss_suid_priv_escktsuss suid Privilege Escalationweaponized · metasploit
EDB-47344ktsuss 1.4 - suid Privilege Escalation (Metasploit)functional · exploit_db

affected products (2)

Products and version ranges known to be affected.

ktsuss ktsuss≤ 1.4 and priorenisa_euvdEU
ktsuss project ktsuss≤ 1.4nvdUScpe:2.3:a:ktsuss_project:ktsuss:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-11-19modified 2026-06-16

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Related entries.

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+47 more

references (11)

External citations — patches, advisories, analysis.

scry

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