Auth bypass in Alerta
CVE-2020-26214
In Alerta before version 8.1.0, users may be able to bypass LDAP authentication if they provide an empty password when Alerta server is configure to use LDAP as the authorization provider. Only deployments where LDAP servers are configured…
Vulnerability class: Broken Authentication
EPSS: 0.889 (99.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Alerta — versions < 8.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/alerta/alerta/security/advisories/GHSA-5hmm-x8q8-w5jh (x_refsource_CONFIRM)
- github.com/alerta/alerta/issues/1277 (x_refsource_MISC)
- github.com/alerta/alerta/pull/1345 (x_refsource_MISC)
- github.com/alerta/alerta/commit/2bfa31779a4c9df2fa68fa4d0c5c909698c5ef65 (x_refsource_MISC)
- pypi.org/project/alerta-server/8.1.0/ (x_refsource_MISC)
- tools.ietf.org/html/rfc4513 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-26214?
- CVE-2020-26214 is a critical-severity vulnerability in Alerta, classified under Improper Authentication. CVSS score: 9.1/10. Published 2020-11-06.
- How severe is CVE-2020-26214?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2020-26214 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.