Security advisory
Apache Hive before 3.1.3 "CREATE" and "DROP" function operations does not check for necessary authorization of involved entities in the query. It was found that an unauthorized user can manipulate an existing UDF without having the privileges to do so. This allowed unauthorized or underprivileged users to drop and recreate UDFs pointing them to new jars that could be potentially malicious.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-34538
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:47 UTC · Revision 1
Source evidence
Apache Hive before 3.1.3 "CREATE" and "DROP" function operations does not check for necessary authorization of involved entities in the query. It was found that an unauthorized user can manipulate an existing UDF without having the privileges to do so. This allowed unauthorized or underprivileged users to drop and recreate UDFs pointing them to new jars that could be potentially malicious.
osv:CVE-2021-34538
Complete source record
{
"id": "7b373da14333ace21cda65082b4c61f9449db5e551a0601f7f8dfc4f4c150eb2",
"url": "https://osv.dev/vulnerability/CVE-2021-34538",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-34538",
"summary": "Apache Hive before 3.1.3 \"CREATE\" and \"DROP\" function operations does not check for necessary authorization of involved entities in the query. It was found that an unauthorized user can manipulate an existing UDF without having the privileges to do so. This allowed unauthorized or underprivileged users to drop and recreate UDFs pointing them to new jars that could be potentially malicious.",
"evidence": "osv:CVE-2021-34538",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-34538",
"aliases": [
"CVE-2021-34538",
"GHSA-v3p8-j597-3xg8"
],
"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/hive",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "4df4d75bf1e16fe0af75aad0b4179c34c07fc975"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:hive:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.1.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"release-3.1.3-rc1",
"release-3.1.3-rc0",
"branch-3.1.3-rc0",
"rel/release-3.1.2",
"release-3.1.2-rc0",
"rel/release-3.1.1",
"rel/release-3.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34538.json"
}
}
],
"modified": "2026-10-24T10:30:44.517701425Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread/oqqgnhz4c6nxsfd0xstosnk0g15f7354"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-34538",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435903,
"published_at": "2022-07-16T07:15:08.53+00:00"
}