Vulnerability in Apache Sshd

CVE-2021-30129

A vulnerability in sshd-core of Apache Mina SSHD allows an attacker to overflow the server causing an OutOfMemory error. This issue affects the SFTP and port forwarding features of Apache Mina SSHD version 2.0.0 and later versions. It was…

EPSS: 0.034 (87.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30129?
CVE-2021-30129 is a medium-severity vulnerability in Apache Sshd, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 6.5/10. Published 2021-07-12.
How severe is CVE-2021-30129?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-30129 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.