CVE-2017-20190

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total 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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 18.0% of scored records. A rank, not a probability.

NVD base score

The NVD has published no score for this record

NVD CVSS vector

No NVD score to derive

NVD analysis status

Deferred. 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

2024-03-26 00:00Z2 YR AGO

Last updated

2024-08-08 18:54Z2 YR AGO

Reserved

2024-03-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-176Improper Handling of Unicode EncodingVariant

Data version

5.1

Document digest

ec691ccdbd4a39447179d0b96ce598f18ed9abb1185afa47627d1d39d4a060f4

• talk.dynalist.iohttps://talk.dynalist.io/t/dynalist-is-vulnerable-to-zalgo/1234
• en.wikipedia.orghttps://en.wikipedia.org/wiki/Zalgo_text
• aka.mshttps://aka.ms/windowsbugbar