{"api_version":"1","generated_at":"2026-06-13T02:55:09+00:00","cve":"CVE-2020-5281","urls":{"html":"https://cve.report/CVE-2020-5281","api":"https://cve.report/api/cve/CVE-2020-5281.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-5281","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5281"},"summary":{"title":"CVE-2020-5281","description":"In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2020-03-25 18:15:00","updated_at":"2020-03-30 18:33:00"},"problem_types":["CWE-732"],"metrics":[],"references":[{"url":"https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3","name":"https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"LDAP connector injection · Advisory · CESNET/perun · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039","name":"https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Merge pull request #2635 from stavamichal/fixVulnerablityInLDAPBasedE… · CESNET/perun@ac527bc · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/CESNET/perun/pull/2635","name":"https://github.com/CESNET/perun/pull/2635","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Fix vulnerability in communication with LDAP connector by stavamichal · Pull Request #2635 · CESNET/perun · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-5281","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5281","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"5281","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cesnet","cpe5":"perun","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"5281","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cesnet","cpe5":"perun","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2020-5281","STATE":"PUBLIC","TITLE":"LDAP connector injection in Perun"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"perun","version":{"version_data":[{"version_value":"< 3.9.1"}]}}]},"vendor_name":"CESNET"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')"}]}]},"references":{"reference_data":[{"name":"https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3","refsource":"CONFIRM","url":"https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3"},{"name":"https://github.com/CESNET/perun/pull/2635","refsource":"MISC","url":"https://github.com/CESNET/perun/pull/2635"},{"name":"https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039","refsource":"MISC","url":"https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039"}]},"source":{"advisory":"GHSA-gj88-9q3f-72m3","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2020-03-25 18:15:00","lastModifiedDate":"2020-03-30 18:33:00","problem_types":["CWE-732"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","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:cesnet:perun:*:*:*:*:*:*:*:*","versionEndExcluding":"3.9.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"5281","Ordinal":"165495","Title":"CVE-2020-5281","CVE":"CVE-2020-5281","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"5281","Ordinal":"1","NoteData":"In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"5281","Ordinal":"2","NoteData":"2020-03-25","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"5281","Ordinal":"3","NoteData":"2020-03-25","Type":"Other","Title":"Modified"}]}}}