CVE-2011-2921

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

82.83% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.6% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-11-19 16:57Z6 YR AGO

Last updated

2024-08-06 23:15Z2 YR AGO

Reserved

2011-07-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-273Improper Check for Dropped PrivilegesBase

Data version

5.1

Document digest

a0907df9c024ed3f8cf2ed755b547efb2976e4745eff310d3a55c946bea4118f

• packetstormsecurity.comhttp://packetstormsecurity.com/files/154307/ktsuss-Suid-Privilege-Escalation.htmlx_refsource_MISC
• security-tracker.debian.orghttps://security-tracker.debian.org/tracker/CVE-2011-2921x_refsource_MISC
• access.redhat.comhttps://access.redhat.com/security/cve/cve-2011-2921x_refsource_MISC