CVE-2020-27858

HIGH

CA Arcserve D2D 16.5 - Unauthenticated XML External Entity Injection via getNews Method

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-1397/

Scores

CVSS v3 7.5
EPSS 0.7383
EPSS Percentile 99.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-611
Status published
Products (1)
arcserve/d2d 16.5
Published Jan 20, 2021
Tracked Since Feb 18, 2026