High
Security advisory
The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-26117
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:13 UTC · Revision 1
Source evidence
The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.
osv:CVE-2021-26117
Complete source record
{
"id": "67fc4633147d39cd6b25b5557940261f1c3b28b74fb7c805b4467e9046c2de3a",
"url": "https://osv.dev/vulnerability/CVE-2021-26117",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-26117",
"summary": "The optional ActiveMQ LDAP login module can be configured to use anonymous access to the LDAP server. In this case, for Apache ActiveMQ Artemis prior to version 2.16.0 and Apache ActiveMQ prior to versions 5.16.1 and 5.15.14, the anonymous context is used to verify a valid users password in error, resulting in no check on the password.",
"evidence": "osv:CVE-2021-26117",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-26117",
"aliases": [
"BIT-activemq-2021-26117",
"CVE-2021-26117",
"GHSA-9mgm-gcq8-86wq"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/activemq",
"type": "GIT",
"events": [
{
"introduced": "5f0d6943cb97b0570bf8d58e8eaf9f0003a5cb6c"
},
{
"fixed": "a0d4141a00ba5de4afaee160836898b41eb28065"
},
{
"introduced": "86dd78b1aa64cbf0af15669c0e4af62dfae0d158"
},
{
"fixed": "e432a78c19e9c30b5afd84e591a428734ad55431"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.15.0"
},
{
"fixed": "5.15.14"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.16.0"
},
{
"fixed": "5.16.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"activemq-5.16.0",
"activemq-5.15.13",
"activemq-5.15.12",
"activemq-5.15.11",
"activemq-5.15.10",
"activemq-5.15.9",
"activemq-5.15.8",
"activemq-5.15.7",
"activemq-5.15.6",
"activemq-5.15.5",
"activemq-5.15.4",
"activemq-5.15.3",
"activemq-5.15.2",
"activemq-5.15.1",
"activemq-5.15.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26117.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/apache/artemis",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "9768017530fdbbefd7c112b55702b5a16b3f058e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.16.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2.15.0",
"2.14.0",
"2.13.0",
"2.12.0",
"2.11.0",
"2.10.1",
"2.10.0",
"2.9.0",
"2.8.1",
"2.8.0",
"2.7.0",
"2.6.0",
"2.5.0",
"2.4.0",
"2.3.0",
"2.2.0",
"2.1.0",
"2.0.0",
"1.5.1",
"1.5.0",
"1.4.0",
"1.3.0",
"1.2.0",
"1.1.0",
"1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-26117.json"
}
}
],
"modified": "2026-10-24T10:30:25.923175347Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/r110cacfa754471361234965ffe851a046e302ff2693b055f49f47b02%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r22cdc0fb45e223ac92bc2ceff7af92f1193dfc614c8b248534456229%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r3341d96d8f956e878fb7b463b08d57ca1d58fec9c970aee929b58e0d%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r519bfafd67091d0b91243efcb1c49b1eea27321355ba5594f679277d%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r5899ece90bcae5805ad6142fdb05c58595cff19cb2e98cc58a91f55b%40%3Cgitbox.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r70389648227317bdadcdecbd9f238571a6047469d156bd72bb0ca2f7%40%3Cgitbox.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/r946488fb942fd35c6a6e0359f52504a558ed438574a8f14d36d7dcd7%40%3Ccommits.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/ra255ddfc8b613b80e9fa22ff3e106168b245f38a22316bfb54d21159%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/raea451de09baed76950d6a60cc4bb1b74476c505e03205a3c68c9808%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/rd05b1c9d61dbd220664d559aa0e2b55e5830f006a09e82057f3f7863%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/rd75600cee29cb248d548edcf6338fe296466d63a69e2ed0afc439ec7%40%3Cissues.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/re1b98da90a5f2e1c2e2d50e31c12e2578d61fe01c0737f9d0bd8de99%40%3Cannounce.apache.org%3E",
"https://lists.apache.org/thread.html/rec93794f8aeddf8a5f1a643d264b4e66b933f06fd72a38f31448f0ac%40%3Cgitbox.activemq.apache.org%3E",
"https://lists.apache.org/thread.html/rffa5cd05d01c4c9853b17f3004d80ea6eb8856c422a8545c5f79b1a6%40%3Ccommits.activemq.apache.org%3E",
"https://lists.debian.org/debian-lts-announce/2023/11/msg00013.html",
"https://mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3cCAH+vQmMeUEiKN4wYX9nLBbqmFZFPXqajNvBKmzb2V8QZANcSTA%40mail.gmail.com%3e",
"https://lists.debian.org/debian-lts-announce/2021/03/msg00005.html",
"https://security.netapp.com/advisory/ntap-20210304-0008/",
"https://www.oracle.com/security-alerts/cpuApr2021.html",
"https://www.oracle.com//security-alerts/cpujul2021.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:communications_element_manager:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_element_manager",
"extracted_events": [
{
"range": [
{
"introduced": "8.2.0"
},
{
"last_affected": "8.2.4.0"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_session_report_manager:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_session_report_manager",
"extracted_events": [
{
"range": [
{
"introduced": "8.2.0"
},
{
"last_affected": "8.2.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_session_route_manager",
"extracted_events": [
{
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.2.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_private_banking",
"extracted_events": [
{
"range": [
{
"introduced": "12.0.0"
},
{
"last_affected": "12.0.0"
},
{
"introduced": "12.1.0"
},
{
"last_affected": "12.1.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-26117",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431485,
"published_at": "2021-01-27T19:15:13.72+00:00"
}