{"api_version":"1","generated_at":"2026-04-23T02:35:32+00:00","cve":"CVE-2020-16117","urls":{"html":"https://cve.report/CVE-2020-16117","api":"https://cve.report/api/cve/CVE-2020-16117.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-16117","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-16117"},"summary":{"title":"CVE-2020-16117","description":"In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-07-29 18:15:00","updated_at":"2020-08-11 17:29:00"},"problem_types":["CWE-476"],"metrics":[],"references":[{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189","refsource":"MISC","tags":["Exploit","Vendor Advisory"],"title":"Crash on malformed server response with minimal capabilities (#189) · Issues · GNOME / evolution-data-server · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html","name":"[debian-lts-announce] 20200802 [SECURITY] [DLA 2309-1] evolution-data-server security update","refsource":"MLIST","tags":["Third Party Advisory"],"title":"[SECURITY] [DLA 2309-1] evolution-data-server security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5","refsource":"MISC","tags":["Patch","Vendor Advisory"],"title":"I#189 - Crash on malformed server response with minimal capabilities (2cc39592) · Commits · GNOME / evolution-data-server · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7","refsource":"MISC","tags":["Release Notes","Vendor Advisory"],"title":"NEWS update for 3.35.91 (627c3cdb) · Commits · GNOME / evolution-data-server · GitLab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-16117","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16117","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"16117","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"16117","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"16117","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnome","cpe5":"evolution-data-server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"16117","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"gnome","cpe5":"evolution-data-server","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2020-16117","qid":"159211","title":"Oracle Enterprise Linux Security Update for evolution (ELSA-2021-1752)"},{"cve":"CVE-2020-16117","qid":"174823","title":"SUSE Enterprise Linux Security update for evolution-data-server (SUSE-SU-2021:0891-1)"},{"cve":"CVE-2020-16117","qid":"239310","title":"Red Hat Update for evolution (RHSA-2021:1752)"},{"cve":"CVE-2020-16117","qid":"296071","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 27.82.1 Missing (CPUOCT2020)"},{"cve":"CVE-2020-16117","qid":"377392","title":"Alibaba Cloud Linux Security Update for evolution (ALINUX3-SA-2022:0095)"},{"cve":"CVE-2020-16117","qid":"750291","title":"OpenSUSE Security Update for evolution-data-server (openSUSE-SU-2021:0482-1)"},{"cve":"CVE-2020-16117","qid":"940156","title":"AlmaLinux Security Update for evolution (ALSA-2021:1752)"},{"cve":"CVE-2020-16117","qid":"960846","title":"Rocky Linux Security Update for evolution (RLSA-2021:1752)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-16117","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189","refsource":"MISC","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/189"},{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5","refsource":"MISC","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/2cc39592b532cf0dc994fd3694b8e6bf924c9ab5"},{"url":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7","refsource":"MISC","name":"https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/627c3cdbfd077e59aa288c85ff8272950577f1d7"},{"refsource":"MLIST","name":"[debian-lts-announce] 20200802 [SECURITY] [DLA 2309-1] evolution-data-server security update","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00005.html"}]}},"nvd":{"publishedDate":"2020-07-29 18:15:00","lastModifiedDate":"2020-08-11 17:29:00","problem_types":["CWE-476"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.2,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"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:gnome:evolution-data-server:*:*:*:*:*:*:*:*","versionEndExcluding":"3.35.91","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"16117","Ordinal":"177524","Title":"CVE-2020-16117","CVE":"CVE-2020-16117","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"16117","Ordinal":"1","NoteData":"In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"16117","Ordinal":"2","NoteData":"2020-07-29","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"16117","Ordinal":"3","NoteData":"2020-08-02","Type":"Other","Title":"Modified"}]}}}