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CVE-2020-35518
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be…
Medium5.3EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.5% · top 25% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
389-ds-base
- affected 389-ds-base 2.0.3, 389-ds-base 1.4.4.13, 389-ds-base 1.4.3.19
References (4)
- https://bugzilla.redhat.com/show_bug.cgi?id=1905565 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/389ds/389-ds-base/issues/4480 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-35518)Record last updated .