Vulnerability Analysis
In-depth guides and analysis on vulnerability analysis from the Safeguard engineering team.
577 articles
CVE-2020-10109: Denial of service in Twisted via 100-cont...
CVE-2020-10109 lets attackers hang Twisted's HTTP server with malformed 100-continue requests, exhausting resources until it stops responding.
CVE-2021-43818: XSS bypass in lxml Cleaner
CVE-2021-43818 shows how crafted SVG markup could slip past lxml's Cleaner sanitizer and execute script in supposedly 'cleaned' HTML output.
CVE-2020-27783: Cross-site scripting bypass in lxml html ...
CVE-2020-27783 lets attackers bypass lxml's html.clean.Cleaner sanitizer to smuggle XSS past HTML cleaning. Here's what's affected and how to remediate it.
CVE-2018-7750: Authentication bypass in paramiko SSH serv...
CVE-2018-7750 lets attackers bypass authentication on Paramiko SSH servers using interactive auth by forging a success message. Impact, timeline, and fixes inside.
CVE-2023-48795: Terrapin attack affecting paramiko SSH ex...
The Terrapin attack (CVE-2023-48795) lets on-path attackers truncate SSH extension negotiation, downgrading security in paramiko and other SSH implementations.
CVE-2020-11651: Authentication bypass in SaltStack salt-m...
CVE-2020-11651, a critical CVSS 9.8 authentication bypass in SaltStack's salt-master, enabled unauthenticated RCE and fueled real-world attacks on LineageOS, Ghost, and DigiCert.
CVE-2020-11652: Directory traversal in SaltStack salt-master
CVE-2020-11652 lets remote attackers read files outside SaltStack file_roots via a salt-master directory traversal flaw. Impact, timeline, and fixes inside.
CVE-2018-11776: Remote code execution in Apache Struts2 v...
CVE-2018-11776 lets attackers achieve unauthenticated RCE in Apache Struts2 via crafted namespace/OGNL injection. Affected versions, timeline, and fixes.
CVE-2019-0230: OGNL remote code execution in Apache Struts2
CVE-2019-0230 lets attackers chain forced double OGNL evaluation in Struts2 tag attributes into remote code execution. Here's what's affected, the CVSS/EPSS context, and how to remediate it.
CVE-2025-20352 in Cisco IOS: SNMP Stack Overflow Deep Dive
An authenticated stack buffer overflow in Cisco IOS and IOS XE SNMP is being exploited in the wild. We dissect the bug, the patch, and the detection signal.
CVE-2020-17530: Forced OGNL evaluation RCE in Apache Struts2
CVE-2020-17530 lets attackers achieve unauthenticated RCE in Apache Struts2 via forced OGNL evaluation. Here's the scope, timeline, and how to remediate it.
CVE-2015-6420: Deserialization vulnerability via Apache C...
How a vulnerable Apache Commons Collections library let attackers achieve remote code execution via Java deserialization gadget chains, and what CVE-2015-6420 still teaches about supply chain risk.
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