CVE-2020-8632
CVE-2020-8632 is a medium-severity vulnerability in Canonical Cloud-init with a CVSS 3.x base score of 5.5. 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-521.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-521
- Affected product: Canonical Cloud-init
- Published:
- Last modified:
Description
In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.
Frequently asked questions
- What is CVE-2020-8632?
- In cloud-init through 19.4, rand_user_password in cloudinit/config/cc_set_passwords.py has a small default pwlen value, which makes it easier for attackers to guess passwords.
- How severe is CVE-2020-8632?
- CVE-2020-8632 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-8632 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8632?
- CVE-2020-8632 primarily affects Canonical Cloud-init. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8632?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8632 published?
- CVE-2020-8632 was published on 2020-02-05 and last updated on 2026-06-17.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00042.html
- https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1860795
- https://github.com/canonical/cloud-init/pull/189
- https://lists.debian.org/debian-lts-announce/2020/02/msg00021.html
Affected products (3)
- cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
More vulnerabilities in Canonical Cloud-init
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- CVE-2018-10896 — High (CVSS 7.1): The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling…
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- CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
- CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
- CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
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