CVE-2019-4520

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

2.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.1% of scored records. A rank, not a probability.

NVD base score

7.5 (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:N/A:N

NVD analysis status

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

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

2019-10-02 14:45Z6 YR AGO

Last updated

2024-09-17 03:18Z1 YR AGO

Reserved

2019-01-03

Assigning CNA

ibm

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-307Improper Restriction of Excessive Authentication AttemptsBase

Data version

5.1

Document digest

1cc0bf2e7fa4ac84aab738aed93771a92b7ee774e3f75342a5781c3c4a0b709f

• www.ibm.comhttps://www.ibm.com/support/pages/node/1077045x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-sds-cve20194520-info-disc (165178)https://exchange.xforce.ibmcloud.com/vulnerabilities/165178vdb-entryx_refsource_XF