{"id":"CVE-2020-36943","aliases":["EUVD-2020-30891","GHSA-jjx9-wqhx-pw9m"],"status":"published","title":"aSc TimeTables 2021.6.2 - Denial of Service","description":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.","severity":{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00293,"percentile":0.22082,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-01-28T17:35:06Z","modified":"2026-06-17T03:16:34Z","products":[{"vendor":"asc applied software consultants","product":"asc timetables"},{"vendor":"asc applied software consultants, s.r.o.","product":"asc timetables"}],"references":[{"url":"https://www.exploit-db.com/exploits/49147","tags":["exploit"]},{"url":"https://www.asctimetables.com/#!/home","tags":["product"]},{"url":"https://www.asctimetables.com/#!/home/download","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/asc-timetables-denial-of-service","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36943"},{"url":"https://github.com/advisories/GHSA-jjx9-wqhx-pw9m"}],"sources":{"cve":[{"id":"CVE-2020-36943","title":"aSc TimeTables 2021.6.2 - Denial of Service","description":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.","status":"published","published":"2026-01-28T17:35:06.641Z","modified":"2026-01-29T18:13:30.955Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:35:54.80237Z"}],"euvd":[{"id":"EUVD-2020-30891","description":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.","status":"published","published":"2026-01-28T17:35:06Z","modified":"2026-01-29T18:13:30Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:48:45.944715Z"}],"ghsa":[{"id":"GHSA-jjx9-wqhx-pw9m","title":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash...","description":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.","status":"published","published":"2026-01-28T18:30:48Z","modified":"2026-01-28T18:30:54Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:05:57.071513Z"}],"nvd":[{"id":"CVE-2020-36943","description":"aSc TimeTables 2021.6.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting subject title fields with excessive data. Attackers can generate a 10,000-character buffer and paste it into the subject title to trigger application instability and potential crash.","status":"published","published":"2026-01-28T18:16:44.643Z","modified":"2026-06-17T03:16:34.27Z","cvss":[{"version":"4.0","score":6.7,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:06:48.591569Z"}]}}