CVE-2020-27858 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Arcserve	D2D	16.5

Related Weaknesses (CWE)

CWE-611

References

https://www.zerodayinitiative.com/advisories/ZDI-20-1397/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-1397/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-27858?

CVE-2020-27858 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 specif...

How severe is CVE-2020-27858?

CVE-2020-27858 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27858?

Check the references section above for vendor advisories and patch information. Affected products include: Arcserve D2D.