CVE-2018-1000835

KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can result in Disclosure of confidential data, denial of service, SSRF, port scanning.

Published: 2018-12-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-1000835 is rated High Risk (68/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.80%). EPSS rose +1.55% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-1000835

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.24% 1.80% +1.55%
2 2025-03-30 0.48% 0.24% -0.23%
3 2025-03-29 — 0.48% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1000835

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 6.0 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2018-1000835

Affected software / configurations for CVE-2018-1000835

Vendor Product Version Raw CPE
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta1:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta10:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta11:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta12:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta13:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta14:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta15:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta16:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta17:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta2:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta3:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta4:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta5:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta6:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta7:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta8:*:*:*:*:*:*
keepassdx keepass_dx 2.5.0.0 cpe:2.3:a:keepassdx:keepass_dx:2.5.0.0:beta9:*:*:*:*:*:*

References for CVE-2018-1000835

URL Tags
https://0dd.zone/2018/10/28/KeePassDX-XXE/ Third Party Advisory
https://github.com/Kunzisoft/KeePassDX/issues/200 Issue Tracking Third Party Advisory
cvelogic Threat Intelligence