CVE-2019-3878

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

2.96% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 87.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2019-03-26 17:44Z7 YR AGO

Last updated

2024-08-04 19:19Z2 YR AGO

Reserved

2019-01-03

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-305Authentication Bypass by Primary WeaknessBase
• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

d83950831466b63e8d9e1c60064215ab25d649d57586a40af069f2d74e99b380

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3878x_refsource_CONFIRM
• github.comhttps://github.com/Uninett/mod_auth_mellon/pull/196x_refsource_CONFIRM
• usn.ubuntu.comUSN-3924-1https://usn.ubuntu.com/3924-1/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2019-db1e9b3002https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-2d8ee47f61https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:0746https://access.redhat.com/errata/RHSA-2019:0746vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:0766https://access.redhat.com/errata/RHSA-2019:0766vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:0985https://access.redhat.com/errata/RHSA-2019:0985vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHBA-2019:0959https://access.redhat.com/errata/RHBA-2019:0959vendor-advisoryx_refsource_REDHAT