CVE-2018-5389

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

3.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 87.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/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

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2018-09-06 21:00Z8 YR AGO

Last updated

2024-08-05 05:33Z2 YR AGO

Reserved

2018-01-12

Assigning CNA

certcc

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-521Weak Password RequirementsBase
• CWE-325Missing Cryptographic StepBase

Data version

5.1

Document digest

508043381f8ed577e21630adcf34baa48bb4636c738ed8ab208c9130edcf99c2

• www.usenix.orghttps://www.usenix.org/system/files/conference/usenixsecurity18/sec18-felsch.pdf
• www.kb.cert.orghttps://www.kb.cert.org/vuls/id/857035
• web-in-security.blogspot.comhttps://web-in-security.blogspot.com/2018/08/practical-dictionary-attack-on-ipsec-ike.html
• blogs.cisco.comhttps://blogs.cisco.com/security/great-cipher-but-where-did-you-get-that-key
• my.f5.comhttps://my.f5.com/manage/s/article/K42378447