9.8

CVE-2018-15727: grafana Improper Authentication

Modified
AliasesRHSA-2018:3829UBUNTU-CVE-2018-15727GHSA-rgjg-66cx-5x9m
Published 29-08-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-15727 is a critical (CVSS 9.8) Improper Authentication vulnerability in grafana. EPSS estimates a 63.12% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (Metasploit, 14-08-2019)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
63.12%
0%100%
Critical · -1.16 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1metasploit

Advisory lineage

Upstream 0 · Downstream 4 · Duplicates 1 · Related 3
RHSA-2019:0019SUSE-SU-2019:2671-1SUSE-SU-2019:2867-1SUSE-SU-2020:1273-1CVE-2018-558213

Timeline

  1. 29-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

63.12%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

Decrease -1.16 pp

From 64.28% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • MetasploitMetasploitremoteUnverified

    Grafana 2.0 through 5.2.2 authentication bypass for LDAP and OAuth

    auxiliary/admin/http/grafana_auth_bypass

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat10 products
  • ceph_storage3.0
  • grafana< 0:4.6.4-1.el7rhgs
  • tendrl-ansible< 0:1.6.3-10.el7rhgs
  • tendrl-api< 0:1.6.3-8.el7rhgs
  • tendrl-api-httpd< 0:1.6.3-8.el7rhgs
Github.com/grafana1 product
  • grafana< 4.6.4 | ≥ 5.0.0, < 5.2.3 | ≥ 5.0.0+incompatible, < 5.2.3+incompatible
Grafana1 product
  • grafana≥ 2.0.0, ≤ 2.1.2 | ≥ 3.0.0, ≤ 3.1.1 | ≥ 4.0.0, < 4.6.4 | ≥ 5.0.0, < 5.2.3
Ubuntu1 product
  • grafanaAll versions (No fix recorded)

4 vendors · 13 products

References

28 links
Show all 28 references