Vulnerability · Published Jul 12, 2021 · Assigned by apache
CVE-2021-30129DoS/OOM leak vulnerability in Apache Mina SSHD Server
Medium 6.5
In plain English
A medium-severity security flaw in Apache Mina SSHD from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)3.0%top 12.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 addressed in Apache Mina SSHD 2.7.0
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.sshd:sshd-core | 2.7.0 | GHSA-9279-7hph-r3xw |
| Maven | org.apache.sshd:sshd-mina | 2.7.0 | GHSA-9279-7hph-r3xw |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Mina SSHD | 2.0.0 – before Apache Mina SSHD* |
References
- https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f%40%3Cusers.mina.apache.org%3E x_refsource_MISC
- [announce] 20210712 CVE-2021-30129: DoS/OOM leak vulnerability in Apache Mina SSHD Server mailing-list, x_refsource_MLIST
- [oss-security] 20210712 CVE-2021-30129: DoS/OOM leak vulnerability in Apache Mina SSHD Server mailing-list, x_refsource_MLIST
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC