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CVE-2024-1899— Showdownjs Denial of Service

Quick assessment

Affected
Showdownjs Showdown
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.

Showdown是ShowdownJS开源的一个 JavaScript Markdown 到 HTML 转换器。 Showdown 2.1.0版本及之前版本存在安全漏洞。远程攻击者利用该漏洞导致系统拒绝服务。

CVSS 5.3 · Medium EPSS 0.81% · P55

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2024-1899

Vulnerability Information
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Vulnerability Title
Showdownjs Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Showdown 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Showdown是ShowdownJS开源的一个 JavaScript Markdown 到 HTML 转换器。 Showdown 2.1.0版本及之前版本存在安全漏洞。远程攻击者利用该漏洞导致系统拒绝服务。
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
Showdownjs Showdown 0 ~ 2.1.0 -

II. Public POCs for CVE-2024-1899

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III. Intelligence Information for CVE-2024-1899

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Other References for CVE-2024-1899 (1)

IV. Related Vulnerabilities

Same product: Showdown
Same vendor: Showdownjs

V. Comments for CVE-2024-1899

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