{"api_version":"1","generated_at":"2026-07-14T06:23:31+00:00","cve":"CVE-2020-15204","urls":{"html":"https://cve.report/CVE-2020-15204","api":"https://cve.report/api/cve/CVE-2020-15204.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-15204","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15204"},"summary":{"title":"CVE-2020-15204","description":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2020-09-25 19:15:00","updated_at":"2021-09-16 15:45:00"},"problem_types":["CWE-476"],"metrics":[],"references":[{"url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","name":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","refsource":"CONFIRM","tags":["Exploit","Third Party Advisory"],"title":"Segfault by calling session-only ops in eager mode · Advisory · tensorflow/tensorflow · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","name":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","refsource":"MISC","tags":["Third Party Advisory"],"title":"Release TensorFlow 2.3.1 · tensorflow/tensorflow · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","name":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Prevent segfault in `GetSessionHandle{,V2}`. · tensorflow/tensorflow@9a133d7 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html","name":"openSUSE-SU-2020:1766","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:1766-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-15204","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15204","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"15204","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"google","cpe5":"tensorflow","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15204","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15204","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"tensorflow","cpe5":"tensorflow","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"15204","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"tensorflow","cpe5":"tensorflow","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-15204","qid":"981466","title":"Python (pip) Security Update for tensorflow-gpu (GHSA-q8gv-q7wr-9jf8)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-15204","STATE":"PUBLIC","TITLE":"Segfault in Tensorflow"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"tensorflow","version":{"version_data":[{"version_value":"< 1.15.4"},{"version_value":">= 2.0.0, < 2.0.3"},{"version_value":">= 2.1.0, < 2.1.2"},{"version_value":">= 2.2.0, < 2.2.1"},{"version_value":">= 2.3.0, < 2.3.1"}]}}]},"vendor_name":"tensorflow"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"{\"CWE-476\":\"NULL Pointer Dereference\"}"}]}]},"references":{"reference_data":[{"name":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1","refsource":"MISC","url":"https://github.com/tensorflow/tensorflow/releases/tag/v2.3.1"},{"name":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8","refsource":"CONFIRM","url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-q8gv-q7wr-9jf8"},{"name":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1","refsource":"MISC","url":"https://github.com/tensorflow/tensorflow/commit/9a133d73ae4b4664d22bd1aa6d654fec13c52ee1"},{"refsource":"SUSE","name":"openSUSE-SU-2020:1766","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00065.html"}]},"source":{"advisory":"GHSA-q8gv-q7wr-9jf8","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2020-09-25 19:15:00","lastModifiedDate":"2021-09-16 15:45:00","problem_types":["CWE-476"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:tensorflow:*:*:*:*:-:*:*:*","versionEndExcluding":"1.15.4","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:tensorflow:*:*:*:*:-:*:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"2.0.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:tensorflow:*:*:*:*:-:*:*:*","versionStartIncluding":"2.1.0","versionEndExcluding":"2.1.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:tensorflow:*:*:*:*:-:*:*:*","versionStartIncluding":"2.2.0","versionEndExcluding":"2.2.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:google:tensorflow:*:*:*:*:-:*:*:*","versionStartIncluding":"2.3.0","versionEndExcluding":"2.3.1","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"15204","Ordinal":"176583","Title":"CVE-2020-15204","CVE":"CVE-2020-15204","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"15204","Ordinal":"1","NoteData":"In eager mode, TensorFlow before versions 1.15.4, 2.0.3, 2.1.2, 2.2.1 and 2.3.1 does not set the session state. Hence, calling `tf.raw_ops.GetSessionHandle` or `tf.raw_ops.GetSessionHandleV2` results in a null pointer dereference In linked snippet, in eager mode, `ctx->session_state()` returns `nullptr`. Since code immediately dereferences this, we get a segmentation fault. The issue is patched in commit 9a133d73ae4b4664d22bd1aa6d654fec13c52ee1, and is released in TensorFlow versions 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"15204","Ordinal":"2","NoteData":"2020-09-25","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"15204","Ordinal":"3","NoteData":"2020-10-29","Type":"Other","Title":"Modified"}]}}}