CVE-2020-27678
9.8 · CRITICALOverview
CVE-2020-27678 is a critical-severity vulnerability affecting illumos illumos. It was published on October 26, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.
Remediation
Check the references section for vendor advisories and patches from illumos. Update illumos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| illumos | illumos | >= 0, < 2020-10-22 | Affected |
| joyent | smartos | >= 0, < 20201022 | Affected |
| omniosce | omnios | >= 0, < r151030by | Affected |
Frequently Asked Questions
What is CVE-2020-27678?
CVE-2020-27678 is a critical-severity vulnerability affecting illumos illumos. It was published on October 26, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-27678?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-27678?
Check the references section for vendor advisories and patches from illumos. Update illumos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-27678?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27678 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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