{"id":"CVE-2023-53924","state":"PUBLISHED","title":"UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload","description":"UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads.","publishedAt":"2025-12-17T22:44:54.817Z","updatedAt":"2026-04-07T14:07:46.208Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Ulicms Ulicms"],"affected":[{"vendor":"Ulicms","product":"Ulicms","versions":[{"version":"2023.1","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/51434","https://web.archive.org/web/20230314183734/https://en.ulicms.de/","https://www.vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-upload"],"weaknesses":["CWE-434"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53924.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53924","state":"PUBLISHED","datePublished":"2025-12-17T22:44:54.817Z","dateUpdated":"2026-04-07T14:07:46.208Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-12-16T19:22:09.996Z"},"containers":{"cna":{"title":"UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload","descriptions":[{"lang":"en","value":"UliCMS 2023.1-sniffing-vicuna contains a remote code execution vulnerability that allows authenticated attackers to upload PHP files with .phar extension during profile avatar upload. Attackers can trigger code execution by visiting the uploaded file's location, enabling system command execution through maliciously crafted avatar uploads."}],"affected":[{"vendor":"Ulicms","product":"Ulicms","versions":[{"version":"2023.1","status":"affected"}]}],"references":[{"url":"https://www.exploit-db.com/exploits/51434","name":"ExploitDB-51434","tags":["exploit"]},{"url":"https://web.archive.org/web/20230314183734/https://en.ulicms.de/","name":"Archived Product Webpage","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/ulicms-sniffing-vicuna-remote-code-execution-via-avatar-upload","name":"VulnCheck Advisory: UliCMS 2023.1-sniffing-vicuna Remote Code Execution via Avatar Upload","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-434","lang":"en","description":"Unrestricted Upload of File with Dangerous Type","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-04-07T14:07:46.208Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ulicms:ulicms:2023.1:*:*:*:*:*:*:*"}]}]}],"credits":[{"lang":"en","value":"Mirabbas Ağalarov","type":"finder"}],"x_generator":{"engine":"vulncheck"},"datePublic":"2023-05-05T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.exploit-db.com/exploits/51434","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-18T18:48:33.956551Z","id":"CVE-2023-53924","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-12-18T18:54:32.646Z"}}]}}}