CVE-2022-38767

An issue was discovered in Wind River VxWorks 6.9 and 7, that allows a specifically crafted packet sent by a Radius server, may cause Denial of Service during the IP Radius access procedure.

Published: 2022-11-25 Last update: 2026-04-14 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-38767 is rated Moderate Risk (47.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.26%). 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-2022-38767

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 2026-05-17 0.50% 0.26% -0.24%
2 2026-04-15 0.40% 0.50% +0.10%
3 2026-04-14 — 0.40% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-38767

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:N/I:N/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-38767

Affected software / configurations for CVE-2022-38767

Vendor Product Version Raw CPE
windriver vxworks >= 6.9, < 6.9.4.12 cpe:2.3:o:windriver:vxworks:*:*:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:-:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer1:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer2:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer3:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer4:*:*:*:*:*:*
windriver vxworks 6.9.4.12 cpe:2.3:o:windriver:vxworks:6.9.4.12:rolling_cumulative_patch_layer5:*:*:*:*:*:*
windriver vxworks 7.0 cpe:2.3:o:windriver:vxworks:7.0:*:*:*:*:*:*:*

References for CVE-2022-38767

cvelogic Threat Intelligence