OpenLDAP vulnerabilities: known CVEs & security history
OpenLDAP · Directory · 19 tracked CVEs · 0 actively exploited · updated November 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all OpenLDAP release lines — 19 in total. A CVE here doesn't mean your version is affected — check OpenLDAP's current status and the safe version to run.
Known OpenLDAP CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2022-29155 | critical | 9.8 | 64% | 2022 |
| CVE-2023-2953 | high | 7.5 | 2% | 2023 |
| CVE-2020-25710 | high | 7.5 | 3% | 2021 |
| CVE-2020-25709 | high | 7.5 | 3% | 2021 |
| CVE-2021-27212 | high | 7.5 | 63% | 2021 |
| CVE-2020-36230 | high | 7.5 | 12% | 2021 |
| CVE-2020-36229 | high | 7.5 | 4% | 2021 |
| CVE-2020-36228 | high | 7.5 | 85% | 2021 |
| CVE-2020-36227 | high | 7.5 | 77% | 2021 |
| CVE-2020-36226 | high | 7.5 | 4% | 2021 |
| CVE-2020-36225 | high | 7.5 | 4% | 2021 |
| CVE-2020-36224 | high | 7.5 | 4% | 2021 |
| CVE-2020-36223 | high | 7.5 | 4% | 2021 |
| CVE-2020-36222 | high | 7.5 | 77% | 2021 |
| CVE-2020-36221 | high | 7.5 | 85% | 2021 |
| CVE-2020-25692 | high | 7.5 | 2% | 2020 |
| CVE-2020-12243 | high | 7.5 | 4% | 2020 |
| CVE-2019-13565 | high | 7.5 | 5% | 2019 |
| CVE-2019-13057 | medium | 4.9 | 3% | 2019 |
Is my OpenLDAP 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 OpenLDAP version → · Monitor OpenLDAP for new CVEs →
OpenLDAP vulnerabilities — frequently asked
How many known vulnerabilities does OpenLDAP have?
IsItPatched tracks 19 CVEs for OpenLDAP. 1 is critical-severity and 17 high-severity. These span every release line — what matters is whether the version you run is affected.
Does OpenLDAP have any actively-exploited vulnerabilities?
None of OpenLDAP's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe OpenLDAP vulnerability?
Among tracked issues, CVE-2022-29155 (CRITICAL, CVSS 9.8) ranks highest — a SQL injection weakness.
Is OpenLDAP safe to use?
It depends on the version. The latest supported OpenLDAP 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: OpenLDAP security status · OpenLDAP end-of-life · actively-exploited CVEs. Always verify against OpenLDAP's advisories — see our disclaimer.