{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/cisco-unified-cm-sme/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":8.8,"id":"CVE-2026-23479"},{"cvss":8.1,"id":"CVE-2026-23631"},{"cvss":8.8,"id":"CVE-2026-25243"},{"id":"CVE-2026-20253"},{"id":"CVE-2026-20230"},{"id":"CVE-2026-20251"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Redis (\u003c 8.6.3)","Cisco Unified Communications Manager","Cisco Unified Communications Manager Session Management Edition","Microsoft Edge Stable Channel (\u003c 149.0.4022.62)","Cisco Unified Communications Manager Release 14 \u003c 14SU6","Cisco Unified Communications Manager Release 15 \u003c 15SU5","Cisco Unified Communications Manager Session Management Edition Release 14 \u003c 14SU6","Cisco Unified Communications Manager Session Management Edition Release 15 \u003c 15SU5","Unified Communications Manager","Unified Communications Manager Session Management Edition","Cisco Unified CM","Cisco Unified CM SME","Unified Communications Manager \u003c 14SU6","Unified Communications Manager Session Management Edition \u003c 14SU6"],"_cs_severities":["critical"],"_cs_tags":["redis","rce","vulnerability"],"_cs_type":"advisory","_cs_vendors":["Redis","Cisco","Microsoft"],"content_html":"\u003cp\u003eOn May 6, 2026, CERT-FR published an advisory regarding multiple vulnerabilities discovered in Redis, a popular in-memory data structure store. These vulnerabilities, detailed in Redis security bulletins GHSA-8ghh-qpmp-7826, GHSA-93m2-935m-8rj3, and GHSA-c8h9-259x-jff4, could allow a remote attacker to execute arbitrary code on a vulnerable system. The vulnerabilities impact all versions of Redis. Successful exploitation could lead to a complete compromise of the Redis server and any data it holds. Defenders should apply patches or workarounds as soon as possible to mitigate the risk.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable Redis instance exposed to the network.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages one of the vulnerabilities (CVE-2026-23479, CVE-2026-23631, or CVE-2026-25243) to inject malicious code.\u003c/li\u003e\n\u003cli\u003eThis code could involve crafting a specific request that exploits a buffer overflow or other memory corruption issue in Redis.\u003c/li\u003e\n\u003cli\u003eThe injected code is executed within the context of the Redis server process.\u003c/li\u003e\n\u003cli\u003eThe attacker gains control of the Redis server process.\u003c/li\u003e\n\u003cli\u003eThe attacker uses the compromised Redis server to execute arbitrary system commands.\u003c/li\u003e\n\u003cli\u003eThe attacker may install a persistent backdoor for future access.\u003c/li\u003e\n\u003cli\u003eThe attacker can then move laterally within the network, compromise other systems, or exfiltrate sensitive data.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities in Redis can lead to a complete compromise of the affected system. This could result in data theft, data corruption, or denial of service. Given the widespread use of Redis in various applications and services, a successful attack could have a significant impact on organizations that rely on it. The number of potential victims is substantial, spanning various sectors that utilize Redis for caching, session management, and real-time analytics.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately apply the security patches provided by Redis to address CVE-2026-23479, CVE-2026-23631, and CVE-2026-25243.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious activity targeting Redis ports, as indicated by the network connection logs and firewall logs.\u003c/li\u003e\n\u003cli\u003eImplement strict access control policies to limit access to Redis instances, based on network connection logs.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026quot;Detect Suspicious Redis Activity\u0026quot; to identify potential exploitation attempts.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-26T20:04:28Z","date_published":"2026-05-06T00:00:00Z","id":"https://feed.craftedsignal.io/briefs/2026-05-redis-rce/","summary":"Multiple vulnerabilities in Redis could allow an attacker to execute arbitrary code remotely, potentially leading to complete system compromise.","title":"Multiple Vulnerabilities in Redis Allow Remote Code Execution","url":"https://feed.craftedsignal.io/briefs/2026-05-redis-rce/"}],"language":"en","title":"CraftedSignal Threat Feed - Cisco Unified CM SME","version":"https://jsonfeed.org/version/1.1"}