ZDI-20-821: Veeam ONE SSRSReport GetCustomElementText XML External Entity Processing Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Veeam ONE. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSRSReport class. 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 file contents in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Veeam ONE |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the severity of ZDI-20-821?
The severity of ZDI-20-821 is considered high due to the potential for sensitive information disclosure without authentication.
How do I fix ZDI-20-821?
To fix ZDI-20-821, update to the latest version of Veeam ONE that addresses this vulnerability.
Who is affected by ZDI-20-821?
ZDI-20-821 affects users of Veeam ONE installations that have not been patched.
What type of vulnerability is ZDI-20-821?
ZDI-20-821 is an information disclosure vulnerability that allows attackers to access sensitive data.
Is authentication required to exploit ZDI-20-821?
No, authentication is not required to exploit ZDI-20-821, making it more dangerous.
- agent/references
- agent/type
- agent/softwarecombine
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-821
- alias/ZDI-CAN-10709
- alias/CVE-2020-15418
- agent/software-canonical-lookup
- agent/title
- agent/severity
- agent/tags
- agent/event
- agent/description
- agent/source
- vendor/veeam
- canonical/veeam one