Refine your search
2 vulnerabilities found for pgbouncer by pgbouncer
CVE-2021-3935 (GCVE-0-2021-3935)
Vulnerability from nvd
Published
2021-11-22 15:59
Modified
2025-11-03 19:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T19:26:17.293Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "pgbouncer",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "PgBouncer 1.16.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "When PgBouncer is configured to use \"cert\" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"description": "CWE-89",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-14T14:06:26.000Z",
"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"shortName": "fedora"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "patrick@puiterwijk.org",
"ID": "CVE-2021-3935",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "pgbouncer",
"version": {
"version_data": [
{
"version_value": "PgBouncer 1.16.1"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "When PgBouncer is configured to use \"cert\" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-89"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"name": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x",
"refsource": "MISC",
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"assignerShortName": "fedora",
"cveId": "CVE-2021-3935",
"datePublished": "2021-11-22T15:59:14.000Z",
"dateReserved": "2021-11-08T00:00:00.000Z",
"dateUpdated": "2025-11-03T19:26:17.293Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2021-3935 (GCVE-0-2021-3935)
Vulnerability from cvelistv5
Published
2021-11-22 15:59
Modified
2025-11-03 19:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-03T19:26:17.293Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA",
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "pgbouncer",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "PgBouncer 1.16.1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "When PgBouncer is configured to use \"cert\" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"description": "CWE-89",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-02-14T14:06:26.000Z",
"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"shortName": "fedora"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"tags": [
"vendor-advisory",
"x_refsource_FEDORA"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "patrick@puiterwijk.org",
"ID": "CVE-2021-3935",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "pgbouncer",
"version": {
"version_data": [
{
"version_value": "PgBouncer 1.16.1"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "When PgBouncer is configured to use \"cert\" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-89"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251",
"refsource": "MISC",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2021251"
},
{
"name": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x",
"refsource": "MISC",
"url": "http://www.pgbouncer.org/changelog.html#pgbouncer-116x"
},
{
"name": "FEDORA-2021-761cda0b77",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNPCV3KRDI5PLLLKADFVIOHACQJLZMLI/"
},
{
"name": "[debian-lts-announce] 20220214 [SECURITY] [DLA 2922-1] pgbouncer security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00016.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
"assignerShortName": "fedora",
"cveId": "CVE-2021-3935",
"datePublished": "2021-11-22T15:59:14.000Z",
"dateReserved": "2021-11-08T00:00:00.000Z",
"dateUpdated": "2025-11-03T19:26:17.293Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}