SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-20839

Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a…

MEDIUM 6.5EPSS 1.14%

Does this matter?

Lower severity and a low EPSS score (1.14%). Track it; it rarely justifies an emergency change on its own.

Description

Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
1.14% probability · 65th percentile
CISA KEV
Not listed
Weakness
CWE-611
Affected
antennahouse/office server document converter
Source
vultures@jpcert.or.jp

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.