Is CVE-2020-27858 actively exploited?

CVE-2020-27858 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-27858?

CVE-2020-27858 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2020-27858?

Patch guidance is available from arcserve security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27858.

Fix CVE-2020-27858 - HIGH arcserve d2d

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-611 · XML External Entity (XXE)CWE-611 · XML External Entity (XXE)

Metadata

Primary Vendor: ARCSERVE
Published: 1/20/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2020-27858

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary