CVE-2020-35518
MEDIUM
5.3
CVSS Score
Published: March 26, 2021 at 04:43 PM UTC
Updated: June 17, 2026 at 03:13 AM UTC
4 products affected across 3 vendorsEnterprise Linux389 Directory ServerDirectory Server
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.4.3.191.4.4.0 ≤ v < 1.4.4.132.0.0 ≤ v < 2.0.3
Affected range stops below 1.4.3.19, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.4.4.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1905565x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bcx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/389ds/389-ds-base/issues/4480CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200CWE-203
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