CVE-2020-27858 XML external entity in D2D
Remote attackers can exploit an XML External Entity flaw in CA Arcserve D2D to disclose sensitive information without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-27858?
CVE-2020-27858 is a high-severity vulnerability in Arcserve D2D, published on 20 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-611
Which versions are affected by CVE-2020-27858?
It affects 1 product.
Products include Arcserve D2d.
How do I fix CVE-2020-27858?
No fix has been published for CVE-2020-27858 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27858 being exploited?
There is no known exploitation of CVE-2020-27858 in the wild and no public exploit code.
Sources
Also known as GHSA-9rc6-x736-5w53.