Information disclosure in Graylog

CVE-2021-37759

A Session ID leak in the DEBUG log file in Graylog before 4.1.2 allows attackers to escalate privileges (to the access level of the leaked session ID).

EPSS: 0.013 (66.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-37759?
CVE-2021-37759 is a critical-severity vulnerability in Graylog, classified under Insertion of Sensitive Information into Log File. CVSS score: 9.8/10. Published 2021-07-31.
How severe is CVE-2021-37759?
Critical severity. CVSS v3 base score is 9.8 out of 10.