Medium
Security advisory
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
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-30129
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:18 UTC · Revision 1
Source evidence
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
osv:CVE-2021-30129
Complete source record
{
"id": "d405b9284a54edb8ec18e2f8a93f57a6272d65f3e6bec90d0c4ff3d1119f8ee6",
"url": "https://osv.dev/vulnerability/CVE-2021-30129",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-30129",
"summary": "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",
"evidence": "osv:CVE-2021-30129",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-30129",
"aliases": [
"CVE-2021-30129",
"GHSA-9279-7hph-r3xw"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/mina-sshd",
"type": "GIT",
"events": [
{
"introduced": "3d614500b27f2e587a38a59dff1aa56013672a99"
},
{
"fixed": "2772c7c8f6afb8c53546ca803501f52118bd0491"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:sshd:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.7.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"sshd-2.6.0",
"sshd-2.5.1",
"sshd-2.5.0",
"sshd-2.4.0",
"sshd-2.3.0",
"sshd-2.2.0",
"sshd-2.1.0",
"sshd-2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30129.json"
}
}
],
"modified": "2026-10-24T10:30:26.941296206Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/red01829efa2a8c893c4baff4f23c9312bd938543a9b8658e172b853b%40%3Cannounce.apache.org%3E",
"https://www.oracle.com/security-alerts/cpujul2022.html",
"https://lists.apache.org/thread.html/r6d4f78e192a0c8eabd671a018da464024642980ecd24096bde6db36f%40%3Cusers.mina.apache.org%3E",
"https://www.oracle.com/security-alerts/cpuapr2022.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_universal_banking:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_universal_banking",
"extracted_events": [
{
"range": [
{
"introduced": "14.0.0"
},
{
"last_affected": "14.3.0"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_payments:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_payments",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_trade_finance:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_trade_finance",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
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}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_treasury_management:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_treasury_management",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
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}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_console:1.9.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_console",
"extracted_events": [
{
"range": [
{
"introduced": "1.9.0"
},
{
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}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_universal_banking:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_universal_banking",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:middleware_common_libraries_and_tools:14.1.1.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:middleware_common_libraries_and_tools",
"extracted_events": [
{
"range": [
{
"introduced": "12.2.1.3.0"
},
{
"last_affected": "12.2.1.3.0"
},
{
"introduced": "12.2.1.4.0"
},
{
"last_affected": "12.2.1.4.0"
},
{
"introduced": "14.1.1.0.0"
},
{
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}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:oss_support_tools:2.12.42:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:oss_support_tools",
"extracted_events": [
{
"range": [
{
"introduced": "2.12.42"
},
{
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}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:18.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_customer_management_and_segmentation_foundation:19.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:retail_customer_management_and_segmentation_foundation",
"extracted_events": [
{
"range": [
{
"introduced": "18.0"
},
{
"last_affected": "18.0"
},
{
"introduced": "19.0"
},
{
"last_affected": "19.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-30129",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431716,
"published_at": "2021-07-12T12:15:07.783+00:00"
}