CVE-2020-27858

moderate-risk
Published 2021-01-20

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.

Do I need to act?

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20.2% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

D2D

Affected Vendors

Arcserve

References (2)

Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1397/
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-20-1397/
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 14/34 · Moderate
Exposure 5/34 · Minimal