CVE-2020-27858

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 20.15% Top 5%
Third-Party Advisory zerodayinitiative.com
Affected: Arcserve D2D
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-20-1397/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2020-27858?
CVE-2020-27858 has been scored as a high severity vulnerability.
How to fix CVE-2020-27858?
To fix CVE-2020-27858, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27858 being actively exploited in the wild?
It is possible that CVE-2020-27858 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~20% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27858?
CVE-2020-27858 affects Arcserve D2D.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.