CVE-2020-8631

MEDIUM
5.5
CVSS Score
Published: February 5, 2020 at 01:39 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
3 products affected across 3 vendorsDebian LinuxLeapCloud Init

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

cloud-init through 19.4 relies on Mersenne Twister for a random password, which makes it easier for attackers to predict passwords, because rand_str in cloudinit/util.py calls the random.choice function.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html
x_refsource_MISCIssue TrackingPatchThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795
x_refsource_MISCPatchThird Party Advisory
https://github.com/canonical/cloud-init/pull/204
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-330

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