CVE-2021-37759 Information disclosure in n/a
Attackers can escalate privileges by reading leaked session IDs from DEBUG logs in Graylog, requiring debug logging to be enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-37759?
CVE-2021-37759 is a critical vulnerability in n/a, published on 31 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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).
Weakness: CWE-532
Which versions are affected by CVE-2021-37759?
It affects 1 product.
Products include Graylog Graylog.
How do I fix CVE-2021-37759?
No fix has been published for CVE-2021-37759 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-37759 being exploited?
There is no known exploitation of CVE-2021-37759 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-37760 Information disclosure in n/a
- CVE-2026-1435 Incorrect management of session invalidation vulnerability in Graylog Web Interface
- CVE-2025-53106 Graylog vulnerable to privilege escalation through API tokens
- CVE-2024-24824 graylog2-server vulnerable to instantiation of arbitrary classes triggered by API request
- CVE-2020-15813 Improper Certificate Validation in Graylog
Sources
Also known as GHSA-f9j4-c45h-7xwv.