CVE-2018-11091

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/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

2018-05-14 23:00Z8 YR AGO

Last updated

2026-05-29 20:21Z3 MO AGO

Reserved

2018-05-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.2

Document digest

46e80800ff1d27e9144862ec7985fded701dfe3b4dbfb68ee836a6a82ef6b770

• www.sec-consult.comhttps://www.sec-consult.com/en/blog/advisories/arbitrary-file-upload-cross-site-scripting-in-mybiz-myprocurenet/x_refsource_MISC
• seclists.orghttp://seclists.org/fulldisclosure/2018/May/32x_refsource_MISC
• security.freebsd.orgFreeBSD-SA-19:26https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.ascvendor-advisoryx_refsource_FREEBSD
• seclists.org20191112 FreeBSD Security Advisory FreeBSD-SA-19:26.mcuhttps://seclists.org/bugtraq/2019/Nov/16mailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.htmlx_refsource_MISC