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Vulnerability Analysis

Vulnerability Prioritization: Beyond CVSS Scores

CVSS scores alone lead to alert fatigue and misallocated resources. Here's how EPSS, reachability analysis, and exploit intelligence create a smarter prioritization model.

Jan 4, 20266 min read
Vulnerability Analysis

socket.io-parser denial of service (CVE-2020-28477)

A remote, unauthenticated attacker could crash Socket.IO servers with one malformed packet. Here's the CVE-2020-28477 breakdown and how to fix it.

Jan 4, 20267 min read
Vulnerability Analysis

Apache HTTP Server CVE-2021-41773: A Path Traversal Bug That Should Have Been Caught in Code Review

CVE-2021-41773 allowed path traversal and RCE on Apache HTTP Server 2.4.49. The fix was incomplete, leading to CVE-2021-42013 days later. A lesson in patching under pressure.

Jan 4, 20266 min read
Vulnerability Analysis

lodash property injection via merge functions (CVE-2018-16487)

CVE-2018-16487 let attackers pollute Object.prototype via lodash's merge, mergeWith, and defaultsDeep functions. Here's how it works and how to fix it.

Jan 4, 20267 min read
Vulnerability Analysis

npm registry package hijacking incidents (CVE-2015-8858 era)

CVE-2015-8858 anchors a broader era of npm registry package hijacking — tar-extraction path traversal, left-pad, and weak account security explained.

Jan 4, 20268 min read
Vulnerability Analysis

path-parse regular expression denial of service (CVE-2021-23343)

A ReDoS flaw in path-parse (CVE-2021-23343) lurks deep in webpack and resolve dependency trees. Here's the impact, timeline, and how to fix it.

Jan 3, 20267 min read
Vulnerability Analysis

ProxyShell: The Microsoft Exchange Exploit Chain That Wouldn't Stop

ProxyShell chained three Exchange vulnerabilities for unauthenticated remote code execution. Months after patches were available, thousands of servers remained exposed.

Jan 3, 20267 min read
Vulnerability Analysis

browserslist ReDoS vulnerability (CVE-2021-23364)

A ReDoS flaw in browserslist (CVE-2021-23364) let crafted query strings stall builds across the JS ecosystem. Here's the full breakdown and fix.

Jan 3, 20267 min read
Vulnerability Analysis

minimatch regular expression denial of service (CVE-2022-3517)

A ReDoS flaw in minimatch (CVE-2022-3517) lets a single crafted string hang Node.js processes. Here's what's affected, the risk context, and how to fix it.

Jan 3, 20267 min read

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