High
Security advisory
ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-14032
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:19 UTC · Revision 1
Source evidence
ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.
osv:CVE-2017-14032
Complete source record
{
"id": "f9044ad662b4d4e122ecb44c258fe40c3af07273e2174a9e17f9da294dcf873f",
"url": "https://osv.dev/vulnerability/CVE-2017-14032",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-14032",
"summary": "ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly known as PolarSSL, the releases shipped with the PolarSSL name are not affected.",
"evidence": "osv:CVE-2017-14032",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-14032",
"aliases": [
"CVE-2017-14032"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/Mbed-TLS/mbedtls",
"type": "GIT",
"events": [
{
"introduced": "98864d5c0b154eda7aeb2c2bffe7e7e1c97424bc"
},
{
"last_affected": "59ae96f167a19f4d04dc6db61f6587b37ccd429f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:arm:mbed_tls:1.3.19:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.19"
},
{
"last_affected": "1.3.19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:arm:mbed_tls:1.3.21:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.21"
},
{
"last_affected": "1.3.21"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:arm:mbed_tls:2.1.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.7"
},
{
"last_affected": "2.1.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:arm:mbed_tls:2.1.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.9"
},
{
"last_affected": "2.1.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:arm:mbed_tls:2.4.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.2"
},
{
"last_affected": "2.4.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.3.19",
"1.3.21",
"2.1.7",
"2.1.9",
"2.4.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14032.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/mbed-tls/mbedtls",
"type": "GIT",
"events": [
{
"introduced": "015e48df6e2f15275161012fbb2544ce0a84c752"
},
{
"last_affected": "f2a597fa3dd1c7b15e0fee62f6932b253295803d"
},
{
"fixed": "31458a18788b0cf0b722acda9bb2f2fe13a3fb32"
},
{
"fixed": "d15795acd5074e0b44e71f7ede8bdfe1b48591fc"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.10"
},
{
"last_affected": "1.3.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.11"
},
{
"last_affected": "1.3.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.12"
},
{
"last_affected": "1.3.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.13"
},
{
"last_affected": "1.3.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.14"
},
{
"last_affected": "1.3.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.15"
},
{
"last_affected": "1.3.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.16"
},
{
"last_affected": "1.3.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.17"
},
{
"last_affected": "1.3.17"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.18:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.18"
},
{
"last_affected": "1.3.18"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:1.3.20:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.3.20"
},
{
"last_affected": "1.3.20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.0.0"
},
{
"last_affected": "2.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.0"
},
{
"last_affected": "2.1.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.1"
},
{
"last_affected": "2.1.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.2"
},
{
"last_affected": "2.1.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.3"
},
{
"last_affected": "2.1.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.4"
},
{
"last_affected": "2.1.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.5"
},
{
"last_affected": "2.1.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.6"
},
{
"last_affected": "2.1.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.1.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.8"
},
{
"last_affected": "2.1.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.2.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.0"
},
{
"last_affected": "2.2.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.2.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.2.1"
},
{
"last_affected": "2.2.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.0"
},
{
"last_affected": "2.3.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.4.0"
},
{
"last_affected": "2.4.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.5.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.5.1"
},
{
"last_affected": "2.5.1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "31458a18788b0cf0b722acda9bb2f2fe13a3fb32"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "d15795acd5074e0b44e71f7ede8bdfe1b48591fc"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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"1.3.11",
"1.3.12",
"1.3.13",
"1.3.14",
"1.3.15",
"1.3.16",
"1.3.17",
"1.3.18",
"1.3.20",
"2.0.0",
"2.1.0",
"2.1.1",
"2.1.2",
"2.1.3",
"2.1.4",
"2.1.5",
"2.1.6",
"2.1.8",
"2.2.0",
"2.2.1",
"2.3.0",
"2.4.0",
"2.5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14032.json",
"vanir_signatures": [
{
"id": "CVE-2017-14032-5602eaa3",
"digest": {
"length": 2262,
"function_hash": "23535954794933034125050730467064723164"
},
"source": "https://github.com/mbed-tls/mbedtls/commit/d15795acd5074e0b44e71f7ede8bdfe1b48591fc",
"target": {
"file": "library/x509_crt.c",
"function": "mbedtls_x509_crt_verify_with_profile"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14032-5641768a",
"digest": {
"length": 2466,
"function_hash": "222329698236470483945104867179118980285"
},
"source": "https://github.com/mbed-tls/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"target": {
"file": "library/x509_crt.c",
"function": "x509_crt_verify_child"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14032-68c67a00",
"digest": {
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"function_hash": "289384578258587814542314141494984662847"
},
"source": "https://github.com/mbed-tls/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"target": {
"file": "library/error.c",
"function": "mbedtls_strerror"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14032-77efa648",
"digest": {
"threshold": 0.9,
"line_hashes": [
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},
"source": "https://github.com/mbed-tls/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
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},
{
"id": "CVE-2017-14032-b38c5879",
"digest": {
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"source": "https://github.com/mbed-tls/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"target": {
"file": "library/x509_crt.c"
},
"deprecated": false,
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{
"id": "CVE-2017-14032-c33758f1",
"digest": {
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"function_hash": "187294135977934297358467111738959912510"
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"source": "https://github.com/mbed-tls/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"target": {
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"function": "mbedtls_x509_crt_verify_with_profile"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14032-f89e6dcf",
"digest": {
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},
"source": "https://github.com/mbed-tls/mbedtls/commit/d15795acd5074e0b44e71f7ede8bdfe1b48591fc",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
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}
],
"vanir_signatures_modified": "2026-10-24T14:12:15Z"
}
}
],
"modified": "2026-10-24T14:12:15.076357799Z",
"provider": "osv",
"references": [
"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2017-02",
"https://bugs.debian.org/873557",
"https://github.com/ARMmbed/mbedtls/commit/31458a18788b0cf0b722acda9bb2f2fe13a3fb32",
"https://github.com/ARMmbed/mbedtls/commit/d15795acd5074e0b44e71f7ede8bdfe1b48591fc"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:arm:mbed_tls:2.6.2:*:*:*:*:*:*:*"
],
"vendor_product": "arm:mbed_tls",
"extracted_events": [
{
"range": [
{
"introduced": "2.6.2"
},
{
"last_affected": "2.6.2"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-14032",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443375,
"published_at": "2017-08-30T20:29:00.337+00:00"
}