CVE-2016-2121: redhat openstack
CVSS: 5.5v3.0MediumModified
AliasesRHSA-2017:3226UBUNTU-CVE-2016-2121DEBIAN-CVE-2016-2121
Published 31-10-2018Last modified 05-08-2024
Vulnerability summary
CVE-2016-2121 is a medium (CVSS 5.5) vulnerability in redhat openstack. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.9% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 31-10-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A permissions flaw was found in redis, which sets weak permissions on certain files and directories that could potentially contain sensitive information. A local, unprivileged user could possibly use this flaw to access unauthorized system information.
CVSS metrics
6 scores · 5 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSources5 sources · 4.0–5.5
- CVE.orgCNA4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · Red hatEcosystem advisory · calculated4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 20-09-2026
20-09-202620-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-732Incorrect Permission Assignment for Critical ResourceThe product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
- CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected systems
Redhat3 products
- openstack10
- redis< 0:3.0.6-2.el7ost
- redis-debuginfo< 0:3.0.6-2.el7ost
[unknown]1 product
- redisn/a
Debian1 product
- redis< 3:3.2.5-2
Ubuntu1 product
- redis< 2:2.8.4-2ubuntu0.2+esm1 | < 2:3.0.6-1ubuntu0.3
4 vendors · 6 products
References
12 links- access.redhat.com/errata/RHSA-2017:3226Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisory
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2121X Refsource CONFIRMIssue TrackingThird Party Advisory
