How severe is CVE-2018-16849?

CVE-2018-16849 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-16849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16849?

CVE-2018-16849 affects Redhat Openstack-mistral. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16849?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-16849 published?

CVE-2018-16849 was published on 2018-11-02 and last updated on 2026-06-17.

CVE-2018-16849

CVE-2018-16849 is a low-severity vulnerability in Redhat Openstack-mistral with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Redhat Openstack-mistral
Published: 2018-11-02
Last modified: 2026-06-17

Description

A flaw was found in openstack-mistral. By manipulating the SSH private key filename, the std.ssh action can be used to disclose the presence of arbitrary files within the filesystem of the executor running the action. Since std.ssh private_key_filename can take an absolute path, it can be used to assess whether or not a file exists on the executor's filesystem.

Frequently asked questions

What is CVE-2018-16849?: A flaw was found in openstack-mistral. By manipulating the SSH private key filename, the std.ssh action can be used to disclose the presence of arbitrary files within the filesystem of the executor running the action. Since std.ssh private_key_filename can take an absolute path, it can be used to assess whether or not a file exists on the executor's filesystem.
How severe is CVE-2018-16849?: CVE-2018-16849 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-16849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16849?: CVE-2018-16849 affects Redhat Openstack-mistral. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16849?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16849 published?: CVE-2018-16849 was published on 2018-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:openstack-mistral:*:*:*:*:*:*:*:*

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