CVE-2018-20820

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

0.96% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 59.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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

2019-04-23 13:53Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-04-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

54d4582a573dbbae9e1bfa2ef169affb44c70db90e6e39401254b120a6ec765b

• github.comhttps://github.com/dropbox/lepton/issues/111x_refsource_MISC
• github.comhttps://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761x_refsource_MISC