SUSE Linux Enterprise vulnerabilities: known CVEs & security history
SUSE · Operating System · 15 tracked CVEs · 5 actively exploited · updated October 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all SUSE Linux Enterprise release lines — 15 in total, with 5 actively exploited in the wild. A CVE here doesn't mean your version is affected — check SUSE Linux Enterprise's current status and the safe version to run.
Known SUSE Linux Enterprise CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2015-3306⚡ exploited | critical | 10 | 98% | 2015 |
| CVE-2012-0507⚡ exploited | critical | 9.8 | 98% | 2012 |
| CVE-2026-31431⚡ exploited | high | 7.8 | 100% | 2026 |
| CVE-2021-4034⚡ exploited | high | 7.8 | 95% | 2022 |
| CVE-2015-5477⚡ exploited | high | 7.5 | 92% | 2015 |
| CVE-2016-0718 | critical | 9.8 | 13% | 2016 |
| CVE-2018-19541 | high | 8.8 | 3% | 2018 |
| CVE-2018-19540 | high | 8.8 | 2% | 2018 |
| CVE-2018-19543 | high | 7.8 | 2% | 2018 |
| CVE-2020-8022 | high | 7.7 | 1% | 2020 |
| CVE-2002-20001 | high | 7.5 | 25% | 2021 |
| CVE-2015-8126 | high | 7.5 | 10% | 2015 |
| CVE-2018-19542 | medium | 6.5 | 2% | 2018 |
| CVE-2018-19539 | medium | 6.5 | 2% | 2018 |
| CVE-2021-25317 | low | 3.3 | 0% | 2021 |
Is my SUSE Linux Enterprise version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your SUSE Linux Enterprise version → · Monitor SUSE Linux Enterprise for new CVEs →
SUSE Linux Enterprise vulnerabilities — frequently asked
How many known vulnerabilities does SUSE Linux Enterprise have?
IsItPatched tracks 15 CVEs for SUSE Linux Enterprise, 5 of which are actively exploited (CISA KEV). 3 are critical-severity and 9 high-severity. These span every release line — what matters is whether the version you run is affected.
Does SUSE Linux Enterprise have any actively-exploited vulnerabilities?
Yes — 5 SUSE Linux Enterprise CVEs are in CISA's Known Exploited Vulnerabilities catalog, meaning they are confirmed exploited in the wild (2 linked to ransomware). Patch these as a priority.
What is the most severe SUSE Linux Enterprise vulnerability?
Among tracked issues, CVE-2015-3306 (CRITICAL, CVSS 10), which is actively exploited, ranks highest — a Improper access control weakness.
Is SUSE Linux Enterprise safe to use?
It depends on the version. The latest supported SUSE Linux Enterprise release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: SUSE Linux Enterprise security status · SUSE Linux Enterprise end-of-life · actively-exploited CVEs. Always verify against SUSE's advisories — see our disclaimer.