CVE-2019-12262

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).

Published: 2019-08-14 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-12262 is rated Moderate Risk (50/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.12%). Mandatory action: 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-2019-12262

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 2026-05-31 0.16% 0.12% -0.04%
2 2025-11-04 0.31% 0.16% -0.15%
3 2025-09-18 0.31%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-12262

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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: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: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 5.9 [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-2019-12262

Affected software / configurations for CVE-2019-12262

Vendor Product Version Raw CPE
windriver vxworks 6.6 cpe:2.3:o:windriver:vxworks:6.6:*:*:*:*:*:*:*
windriver vxworks 6.7 cpe:2.3:o:windriver:vxworks:6.7:*:*:*:*:*:*:*
windriver vxworks 6.8 cpe:2.3:o:windriver:vxworks:6.8:*:*:*:*:*:*:*
windriver vxworks 6.9 cpe:2.3:o:windriver:vxworks:6.9:*:*:*:*:*:*:*
windriver vxworks 7.0 cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:*
belden hirschmann_hios <= 07.0.07 cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*
belden hirschmann_hios <= 07.5.01 cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*
belden hirschmann_hios <= 07.2.04 cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*
belden hirschmann_hios <= 05.3.06 cpe:2.3:o:belden:hirschmann_hios:*:*:*:*:*:*:*:*
belden garrettcom_magnum_dx940e_firmware <= 1.0.1_y7 cpe:2.3:o:belden:garrettcom_magnum_dx940e_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_win7000_firmware < bs5.2.461.17 cpe:2.3:o:siemens:ruggedcom_win7000_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_win7018_firmware < bs5.2.461.17 cpe:2.3:o:siemens:ruggedcom_win7018_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_win7025_firmware < bs5.2.461.17 cpe:2.3:o:siemens:ruggedcom_win7025_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_win7200_firmware < bs5.2.461.17 cpe:2.3:o:siemens:ruggedcom_win7200_firmware:*:*:*:*:*:*:*:*

References for CVE-2019-12262

cvelogic Threat Intelligence