CVE-2019-20213

D-Link DIR-859 routers before v1.07b03_beta allow Unauthenticated Information Disclosure via the AUTHORIZED_GROUP=1%0a value, as demonstrated by vpnconfig.php.

Published: 2020-01-02 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-20213 is rated Moderate Risk (56.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.84%). Review affected assets and schedule 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-2019-20213

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 2025-11-21 0.44% 0.84% +0.40%
2 2025-11-18 0.84% 0.44% -0.40%
3 2025-04-27 — 0.84% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-20213

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N 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:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-20213

Affected software / configurations for CVE-2019-20213

Vendor Product Version Raw CPE
dlink dir-859_firmware <= 1.05b03 cpe:2.3:o:dlink:dir-859_firmware:*:*:*:*:*:*:*:*
dlink dir-859_firmware 1.06b01 cpe:2.3:o:dlink:dir-859_firmware:1.06b01:beta1:*:*:*:*:*:*
dlink dir-822_firmware <= 2.03b01 cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
dlink dir-822_firmware <= 3.12b04 cpe:2.3:o:dlink:dir-822_firmware:*:*:*:*:*:*:*:*
dlink dir-823_firmware <= 1.00b06 cpe:2.3:o:dlink:dir-823_firmware:*:*:*:*:*:*:*:*
dlink dir-865l_firmware <= 1.07b01 cpe:2.3:o:dlink:dir-865l_firmware:*:*:*:*:*:*:*:*
dlink dir-868l_firmware <= 1.12b04 cpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
dlink dir-868l_firmware <= 2.05b02 cpe:2.3:o:dlink:dir-868l_firmware:*:*:*:*:*:*:*:*
dlink dir-869_firmware <= 1.03b02 cpe:2.3:o:dlink:dir-869_firmware:*:*:*:*:*:*:*:*
dlink dir-880l_firmware <= 1.08b04 cpe:2.3:o:dlink:dir-880l_firmware:*:*:*:*:*:*:*:*
dlink dir-890l_firmware <= 1.11b01 cpe:2.3:o:dlink:dir-890l_firmware:*:*:*:*:*:*:*:*
dlink dir-890r_firmware <= 1.11b01 cpe:2.3:o:dlink:dir-890r_firmware:*:*:*:*:*:*:*:*
dlink dir-885l_firmware <= 1.12b05 cpe:2.3:o:dlink:dir-885l_firmware:*:*:*:*:*:*:*:*
dlink dir-885r_firmware <= 1.12b05 cpe:2.3:o:dlink:dir-885r_firmware:*:*:*:*:*:*:*:*
dlink dir-895l_firmware <= 1.12b10 cpe:2.3:o:dlink:dir-895l_firmware:*:*:*:*:*:*:*:*
dlink dir-895r_firmware <= 1.12b10 cpe:2.3:o:dlink:dir-895r_firmware:*:*:*:*:*:*:*:*
dlink dir-818lx_firmware — cpe:2.3:o:dlink:dir-818lx_firmware:-:*:*:*:*:*:*:*

References for CVE-2019-20213

cvelogic Threat Intelligence