Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.
Published 2018-08-29 15:29:00
Updated 2019-03-05 17:26:50
Source MITRE
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2018-15727

1.69%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2018-15727

  • Grafana 2.0 through 5.2.2 authentication bypass for LDAP and OAuth
    Disclosure Date: 2019-08-14
    First seen: 2020-04-26
    auxiliary/admin/http/grafana_auth_bypass
    This module generates a remember me cookie for a valid username. Through unpropper seeding while userdate are requested from LDAP or OAuth it's possible to craft a valid remember me cookie. This cookie can be used for bypass authentication for everyone knowing a valid user

CVSS scores for CVE-2018-15727

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2018-15727

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-15727

Products affected by CVE-2018-15727

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