{"id":"CVE-2020-27858","published":"2021-01-20T19:35:23Z","modified":"2024-08-04T16:25:43Z","title":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of CA Arcserve…","vendor":"Arcserve","product":"D2D","tier":"core","eol":null,"affectedVersions":[{"vendor":"Arcserve","product":"D2D","versions":["16.5"]}],"description":{"text":"This vulnerability allows remote attackers to disclose sensitive information on affected installations of CA Arcserve D2D 16.5. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getNews method. Due to the improper restriction of XML External Entity (XXE) references, a specially-crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM. Was ZDI-CAN-11103.","provenance":"source","from":"CVE.org"},"summary":{"text":"The flaw is an XML External Entity (XXE) injection in the getNews method of Arcserve's D2D product (version 16.5 installations). Remote, unauthenticated attackers can submit a specially crafted XML document that causes the parser to fetch an attacker-specified URI and embed its contents back into the document, disclosing sensitive information in the context of SYSTEM, with no user interaction required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:17:38Z"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.73828,"percentile":0.99475,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-611","name":"Improper Restriction of XML External Entity Reference"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1397/","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-20351","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-20351","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-01-20","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-27858","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":25.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.89,"detail":"percentile 0.9948"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.25,"detail":"base score 7.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}