CVE-2018-20677

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

3.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2019-01-09 05:00Z7 YR AGO

Last updated

2024-08-05 12:05Z2 YR AGO

Reserved

2019-01-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

b546e30a6628b0ae5859f5b9b8dc9d983ed1a53c2f85eb1ad75dc9a67c5d3e28

• github.comhttps://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906x_refsource_MISC
• github.comhttps://github.com/twbs/bootstrap/issues/27045x_refsource_MISC
• blog.getbootstrap.comhttps://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/x_refsource_MISC
• github.comhttps://github.com/twbs/bootstrap/pull/27047x_refsource_MISC
• github.comhttps://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628x_refsource_MISC
• access.redhat.comRHSA-2019:1456https://access.redhat.com/errata/RHSA-2019:1456vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHBA-2019:1076https://access.redhat.com/errata/RHBA-2019:1076vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHBA-2019:1570https://access.redhat.com/errata/RHBA-2019:1570vendor-advisoryx_refsource_REDHAT
• lists.apache.org[superset-dev] 20190926 Re: [VOTE] Release Superset 0.34.1 based on Superset 0.34.1rc1https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e%40%3Cdev.superset.apache.org%3Emailing-listx_refsource_MLIST
• access.redhat.comRHSA-2019:3023https://access.redhat.com/errata/RHSA-2019:3023vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0132https://access.redhat.com/errata/RHSA-2020:0132vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0133https://access.redhat.com/errata/RHSA-2020:0133vendor-advisoryx_refsource_REDHAT
• lists.apache.org[pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue listhttps://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3Emailing-listx_refsource_MLIST
• www.tenable.comhttps://www.tenable.com/security/tns-2021-14x_refsource_CONFIRM