CVE-2022-31684

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

Published: 2022-10-19 Last update: 2025-05-09 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-31684 is rated Low Risk (37.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.37%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2022-31684

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 0.24% 0.37% +0.13%
2 2025-11-18 0.37% 0.24% -0.13%
3 2025-11-06 0.37%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-31684

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L)
A normal user session is enough; they don’t have to be admin.
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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L)
A normal user session is enough; they don’t have to be admin.
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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-31684

GitHub Security Advisory for CVE-2022-31684

GHSA-7w4x-4h67-pgmv · Severity: medium · Ecosystem: maven — Invalid HTTP requests in Reactor Netty HTTP Server may reveal access tokens

OS Trackers for CVE-2022-31684

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2022-31684

Affected software / configurations for CVE-2022-31684

Vendor Product Version Raw CPE
pivotal reactor_netty >= 1.0.11, <= 1.0.23 cpe:2.3:a:pivotal:reactor_netty:*:*:*:*:*:*:*:*

References for CVE-2022-31684

cvelogic Threat Intelligence