CVE-2017-16239
In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed
02 Description
In OpenStack Nova through 14.0.9, 15.x through 15.0.7, and 16.x through 16.0.2, by rebuilding an instance, an authenticated user may be able to circumvent the Filter Scheduler bypassing imposed
03 Exploitation and scoring
- 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
- 1.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.3% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (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: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.
04 Metadata
- Published
- 2017-11-14 17:00Z8 YR AGO
- Last updated
- 2024-08-05 20:20Z2 YR AGO
- Reserved
- 2017-10-31
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-841Improper Enforcement of Behavioral WorkflowClass
- Data version
- 5.1
- Document digest
- ec0c5335ef3d8808ea19993507ef9d4a68725d68d8b65d3f979e8120d7af65f6
05 Affected products
06 References
- www.securityfocus.com101950http://www.securityfocus.com/bid/101950
- access.redhat.comRHSA-2018:0369https://access.redhat.com/errata/RHSA-2018:0369
- access.redhat.comRHSA-2018:0241https://access.redhat.com/errata/RHSA-2018:0241
- www.debian.orgDSA-4056https://www.debian.org/security/2017/dsa-4056
- launchpad.nethttps://launchpad.net/bugs/1664931
- security.openstack.orghttps://security.openstack.org/ossa/OSSA-2017-005.html
- access.redhat.comRHSA-2018:0314https://access.redhat.com/errata/RHSA-2018:0314
07 Fixed in
Debian 12
- nova Fixed in 2:16.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nova Fixed in 2:16.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nova Fixed in 2:16.0.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- nova No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.