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CVE-2020-36943— aSc TimeTables 2021.6.2 - Denial of Service

Quick assessment

Affected
asc Applied Software Consultants, s.r.o. asc Timetables
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

aSc TimeTables是斯洛伐克aSc公司的一款自动化排课软件。 aSc TimeTables 2021.6.2版本存在安全漏洞，该漏洞源于主题标题字段可被过量数据覆盖，可能导致拒绝服务攻击。

CVSS 7.5 · High EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2020-36943

Vulnerability Information
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Vulnerability Title
aSc TimeTables 2021.6.2 - Denial of Service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
aSc TimeTables 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
aSc TimeTables是斯洛伐克aSc公司的一款自动化排课软件。 aSc TimeTables 2021.6.2版本存在安全漏洞，该漏洞源于主题标题字段可被过量数据覆盖，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
asc Applied Software Consultants, s.r.o. asc Timetables 2021.6.2 -

II. Public POCs for CVE-2020-36943

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III. Intelligence Information for CVE-2020-36943

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IV. Related Vulnerabilities

Same product: asc Timetables
Same weakness: CWE-770

V. Comments for CVE-2020-36943

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