6.5

CVE-2018-16848: redhat openstack-mistral Uncontrolled Resource Consumption

CVSS: 6.5v3.1MediumModified
AliasesGHSA-443j-6p7g-6v4wPYSEC-2020-240UBUNTU-CVE-2018-16848
Published 15-06-2020Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-16848 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in redhat openstack-mistral. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-7465-1

Timeline

  1. 15-06-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • mistral< 10.0.0~rc1-2
PyPI1 product
  • mistral< 10.0.0 | < 7.0.4
Redhat1 product
Ubuntu1 product
  • mistral< 6.0.0-0ubuntu1.1+esm1

4 vendors · 4 products

References

11 links
Show all 11 references