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cve[email protected]CVE-2020-35518
HistoryMar 26, 2021 - 5:15 p.m.

CVE-2020-35518

2021-03-2617:15:12
CWE-200
CWE-203
web.nvd.nist.gov
199
nvd
cve-2020-35518
389-ds-base
ldap
authentication
security vulnerability

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.0%

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 configurations

Vulners
NVD
Node
fedoraproject389_directory_serverRange2.0.3
OR
fedoraproject389_directory_serverRange1.4.4.13
OR
fedoraproject389_directory_serverRange1.4.3.19
VendorProductVersionCPE
fedoraproject389_directory_server*cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
fedoraproject389_directory_server*cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*
fedoraproject389_directory_server*cpe:2.3:a:fedoraproject:389_directory_server:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "389-ds-base",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "389-ds-base 2.0.3, 389-ds-base 1.4.4.13, 389-ds-base 1.4.3.19"
      }
    ]
  }
]

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.1 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.0%