Vulnerability Details : CVE-2020-27858
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.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2020-27858
- cpe:2.3:a:arcserve:d2d:16.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-27858
2.87%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-27858
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
Zero Day Initiative | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-27858
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by:
- nvd@nist.gov (Primary)
- zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2020-27858
-
https://www.zerodayinitiative.com/advisories/ZDI-20-1397/
ZDI-20-1397 | Zero Day InitiativeThird Party Advisory;VDB Entry
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