CVE-2017-5420

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

Equal to or higher than the score of 68.9% 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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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

2018-06-11 21:00Z8 YR AGO

Last updated

2024-08-05 15:04Z2 YR AGO

Reserved

2017-01-13

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

e8ebe74c8c25ab5da8833d3c73a3bae5f42a26d3808102bef2f536fb2da99b35

• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2017-05/x_refsource_CONFIRM
• www.securitytracker.com1037966http://www.securitytracker.com/id/1037966vdb-entryx_refsource_SECTRACK
• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1284395x_refsource_CONFIRM
• www.securityfocus.com96692http://www.securityfocus.com/bid/96692vdb-entryx_refsource_BID