Auth bypass in Grafana
CVE-2018-15727
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.643 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.554 · newest: 0.643 · change: +0.089
Affected products
- Grafana
- Red Hat Ceph Storage — versions 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105184 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2019:0019 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3829 (vendor-advisory, Third Party Advisory)
- grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-sec… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-15727?
- CVE-2018-15727 is a critical-severity vulnerability in Grafana, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-08-29.
- How severe is CVE-2018-15727?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-15727 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.