CVE-2018-15836

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

1.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 72.8% 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:N/I:H/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

2018-09-26 21:00Z7 YR AGO

Last updated

2024-08-05 10:01Z2 YR AGO

Reserved

2018-08-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

cdb7c7adc12286e8a14e433b2cabe9224937d42db20c5a40e4a22a0a73058636

• lists.openswan.org[openswan-users] 20180824 Xelerance has released Openswan 2.6.50.1https://lists.openswan.org/pipermail/users/2018-August/023761.htmlmailing-listx_refsource_MLIST
• github.comhttps://github.com/xelerance/Openswan/commit/9eaa6c2a823c1d2b58913506a15f9474bf857a3dx_refsource_CONFIRM
• github.comhttps://github.com/xelerance/Openswan/commit/0b460be9e287fd335c8ce58129c67bf06065ef51x_refsource_CONFIRM