{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/netezza-performance-server-replication-services-3.0.2.0-through-3.0.5.0/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.8,"id":"CVE-2026-3623"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Netezza Performance Server Replication Services (3.0.2.0 through 3.0.5.0)"],"_cs_severities":["critical"],"_cs_tags":["privilege-escalation"],"_cs_type":"advisory","_cs_vendors":["IBM"],"content_html":"\u003cp\u003eCVE-2026-3623 is a critical vulnerability affecting IBM Netezza Performance Server Replication Services versions 3.0.2.0 through 3.0.5.0. This flaw allows an attacker with low-privileged access to escalate their privileges to root. Successful exploitation grants the attacker the ability to execute root-level commands, obtain a root shell, change the root user’s password, modify or remove system-wide files, and install persistent backdoors. The end result is a complete system compromise, leading to a total loss of confidentiality, integrity, and availability. Defenders should prioritize patching affected systems and implementing detections to identify potential exploitation attempts.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker gains low-privileged access to the Netezza Performance Server Replication Services.\u003c/li\u003e\n\u003cli\u003eAttacker leverages CVE-2026-3623 to exploit a vulnerability in the Replication Services software.\u003c/li\u003e\n\u003cli\u003eThe vulnerability allows the attacker to execute commands as the root user.\u003c/li\u003e\n\u003cli\u003eAttacker uses the root privileges to obtain a root shell on the system.\u003c/li\u003e\n\u003cli\u003eAttacker changes the root user\u0026rsquo;s password, effectively locking out legitimate administrators.\u003c/li\u003e\n\u003cli\u003eAttacker modifies or removes system-wide files, causing further disruption and damage.\u003c/li\u003e\n\u003cli\u003eAttacker installs persistent backdoors to maintain unauthorized access to the system.\u003c/li\u003e\n\u003cli\u003eAttacker achieves full system compromise, enabling complete control over the compromised system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-3623 results in full system compromise of the IBM Netezza Performance Server Replication Services. This leads to a complete loss of confidentiality, integrity, and availability of the affected system. Attackers can execute arbitrary commands, steal sensitive data, disrupt critical services, and establish persistent access for future malicious activities. The high CVSS score (7.8) reflects the severity of the potential impact.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the latest patches or upgrade to a version of IBM Netezza Performance Server Replication Services that is not affected by CVE-2026-3623.\u003c/li\u003e\n\u003cli\u003eMonitor system logs for suspicious activity indicative of privilege escalation attempts after exploiting CVE-2026-3623.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to limit the impact of a successful exploit.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect Netezza Root Shell Activity\u0026rdquo; to detect potentially malicious shell activity after privilege escalation.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-27T14:19:47Z","date_published":"2026-05-27T14:19:47Z","id":"https://feed.craftedsignal.io/briefs/2026-05-netezza-privesc/","summary":"IBM Netezza Performance Server Replication Services versions 3.0.2.0 through 3.0.5.0 allows an attacker with low-privileged access to escalate their privileges to root, leading to complete system compromise.","title":"IBM Netezza Performance Server Replication Services Privilege Escalation (CVE-2026-3623)","url":"https://feed.craftedsignal.io/briefs/2026-05-netezza-privesc/"}],"language":"en","title":"CraftedSignal Threat Feed — Netezza Performance Server Replication Services (3.0.2.0 Through 3.0.5.0)","version":"https://jsonfeed.org/version/1.1"}