CVE-2021-3448

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-04-08 22:06Z5 YR AGO

Last updated

2025-12-03 00:40Z9 MO AGO

Reserved

2021-03-16

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.0)

CNA CVSS vector

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

Weaknesses

• CWE-358Improperly Implemented Security Check for StandardBase

Data version

5.2

Document digest

6779bebdcd1b73e5d31ffbacf355ca26afe7603bdf28828454c111157d57138a

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1939368x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-62a5062b2dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GHURNEHHUBSW45KMIZ4FNBCSUPWPGV5V/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-9433bedebdhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHG7GWSQWKF7JXIMLOGJBKZWBB4VIAJ7/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-5cd2571751https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVTJUOFFFHINLKWAOC2ZSC5MOPD4SJ24/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202105-20https://security.gentoo.org/glsa/202105-20vendor-advisoryx_refsource_GENTOO
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.htmlx_refsource_MISC