{"cve":{"cve_id":"CVE-2021-31891","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.03843,"epss_percentile":0.88749,"epss_as_of":"2026-06-23","description":"A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions with OIS running on Debian 9 or earlier), Operation Scheduler (All versions with OIS running on Debian 9 or earlier), Siveillance Control (All versions with OIS running on Debian 9 or earlier), Siveillance Control Pro (All versions). The affected application incorrectly neutralizes special elements in a specific HTTP GET request which could lead to command injection. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.","published_at":"2021-09-14T10:47:31Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-78"],"nvd_references":["https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:15:37.642823Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"desigo-cc","product_name":"Desigo CC","version_start":"All versions with OIS Extension Module","version_start_inclusive":true,"version_end":"All versions with OIS Extension Module","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:desigo-cc:All versions with OIS Extension Module:All versions with OIS Extension Module"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"gma-manager","product_name":"GMA-Manager","version_start":"All versions with OIS running on Debian 9 or earlier","version_start_inclusive":true,"version_end":"All versions with OIS running on Debian 9 or earlier","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:gma-manager:All versions with OIS running on Debian 9 or earlier:All versions with OIS running on Debian 9 or earlier"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"operation-scheduler","product_name":"Operation Scheduler","version_start":"All versions with OIS running on Debian 9 or earlier","version_start_inclusive":true,"version_end":"All versions with OIS running on Debian 9 or earlier","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:operation-scheduler:All versions with OIS running on Debian 9 or earlier:All versions with OIS running on Debian 9 or earlier"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siveillance-control","product_name":"Siveillance Control","version_start":"All versions with OIS running on Debian 9 or earlier","version_start_inclusive":true,"version_end":"All versions with OIS running on Debian 9 or earlier","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:siveillance-control:All versions with OIS running on Debian 9 or earlier:All versions with OIS running on Debian 9 or earlier"},{"vendor_slug":"siemens","vendor_name":"Siemens","product_slug":"siveillance-control-pro","product_name":"Siveillance Control Pro","version_start":"All versions","version_start_inclusive":true,"version_end":"All versions","version_end_inclusive":true,"cpe23_uri":"cve5:siemens:siveillance-control-pro:All versions:All versions"}],"exploit_refs":[],"news":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-09-14T10:47:31Z","label":"CVE published","source":null}]}