SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26293

They allow directory traversal to create new files (such as an executable file under the web root).

CRITICAL 9.8EPSS 7.11%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in AfterLogic Aurora through 8.5.3 and WebMail Pro through 8.5.3, when DAV is enabled. They allow directory traversal to create new files (such as an executable file under the web root). This is related to DAVServer.php in 8.x and DAV/Server.php in 7.x.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
7.11% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-22
Affected
afterlogic/aurora · afterlogic/webmail pro
Source
cve@mitre.org

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