CVE-2018-18657

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

1.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.2% 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:3.0/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

2018-10-26 13:00Z7 YR AGO

Last updated

2024-09-17 01:50Z1 YR AGO

Reserved

2018-10-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

19e14b2decc654cf53dbb99cd42dc8bfa3460c6949bc4b039b22e7e101c72959

• support.arcserve.comhttps://support.arcserve.com/s/article/360001392563?language=en_USx_refsource_MISC
• www.digitaldefense.comhttps://www.digitaldefense.com/blog/zero-day-alerts/arcserve-disclosure/x_refsource_MISC
• support.arcserve.comhttps://support.arcserve.com/s/article/Security-vulnerabilities-with-Arcserve-UDP-and-fixes-for-them?language=en_USx_refsource_MISC