CVE-2019-16215

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

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2019-09-18 11:07Z6 YR AGO

Last updated

2024-08-05 01:10Z2 YR AGO

Reserved

2019-09-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.1

Document digest

18e572f58a26364709dc9ec26627234d4c583c0e55acb44e19108f9cc1ba964e

• blog.zulip.orghttps://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release/x_refsource_CONFIRM
• github.comhttps://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51x_refsource_CONFIRM