Every CVE Search/ Get API key

CVE-2021-37760

A Session ID leak in the audit log in Graylog before 4.1.2 allows attackers to escalate...

9.8 Critical

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.29%Up 0.9 points since Aug 1, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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

Record
CVE-2021-37760
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-532
Updated
2026-11-02
CVE List No score

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

Record
CVE-2021-37760
Updated
2026-11-02
EUVDEUVD-2021-24241 No score

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

Record
EUVD-2021-24241
Updated
2026-11-03
GitHub AdvisoriesGHSA-p36q-cc77-7334 No score

A Session ID leak in the audit log in Graylog before 4.1.2 allows attackers to escalate...

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

Record
GHSA-p36q-cc77-7334
Weakness
CWE-532
Updated
2026-11-02
OSV 9.8

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

Record
CVE-2021-37760
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-37760 is a critical vulnerability (CVSS 9.8) in Graylog, published July 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. No source names a fixed version.

References

MoveEnter Open