WebDrive 18.00.5057 Denial of Service via Secure WebDAV

Published 7 mo ago 2026-03-30 · modified 32 d ago 2026-10-07 · JSON

CVSS

6.2

v3.1 · CNA

CISA KEV

not known exploited

EPSS

0.2%

percentile 11%

Public exploits

none known

WebDrive 18.00.5057 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the username field during Secure WebDAV connection setup. Attackers can input a buffer-overflow payload of 5000 bytes in the username parameter and trigger a connection test to cause the application to crash.

CISA SSVC assessment

Exploitation: Proof of concept public
Automatable: no
Technical impact: partial
Assessed: 7 mo ago 2026-03-30

Exploit prediction (EPSS)

0.21% probability of exploitation in the next 30 days, higher than 11% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	4.0	6.9	`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`
CNA	3.1	6.2	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
CNA	4.0	6.9	`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`
CNA	3.1	6.2	`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
NVD	3.1	5.5	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`

Affected products

Webdrive WebDrive

Classification

Weakness

CWE-233 Improper Handling of Parameters

References

exploit-db.com /exploits/45761 · exploit
webdrive.com / · product
webdrive.com /download/ · product
vulncheck.com /advisories/webdrive-denial-of-service-via-secure-webdav · third-party-advisory

Sources

CVE List: CVE-2018-25233
NVD: CVE-2018-25233

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary