CVE-2022-23098

Exp

An issue was discovered in the DNS proxy in Connman through 1.40. The TCP server reply implementation has an infinite loop if no data is received.

Published: 2022-01-28 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-23098 is rated High Exploit Risk (76.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.45%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.37% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2022-23098

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2022-23098

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 0.08% 2.45% +2.37%
2 2025-11-21 1.35% 0.08% -1.27%
3 2025-11-18 — 1.35% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-23098

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]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2022-23098

OS Trackers for CVE-2022-23098

vendor priority summary link
alpine — CVE-2022-23098: 1 source package rows (connman); 9 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 2. https://security.alpinelinux.org/vuln/CVE-2022-23098
debian not yet assigned CVE-2022-23098 not yet assigned priority: Debian including 1 source packages (connman), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-23098
gentoo high CVE-2022-23098: 1 GLSA(s) (202310-21), 1 atom(s) (net-misc/connman); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-23098
suse high CVE-2022-23098 severity important: SUSE including 31 source package names (connman-1.41-1.1, connman-1.41-bp153.2.3.1, …), 46 product×package rows across 3 product lines (SUSE Package Hub 15 SP3, openSUSE Leap 15.3, openSUSE Tumbleweed): Fixed 46. https://www.suse.com/security/cve/CVE-2022-23098/
ubuntu medium CVE-2022-23098 medium priority: Ubuntu including 1 source packages (connman), 9 status rows across 9 suites (bionic, focal, impish, jammy, kinetic, lunar, trusty, upstream, xenial): released 4, ignored 2, not-affected 2, needs-triage 1. https://ubuntu.com/security/CVE-2022-23098

Affected software / configurations for CVE-2022-23098

Vendor Product Version Raw CPE
intel connman <= 1.40 cpe:2.3:a:intel:connman:*:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References for CVE-2022-23098

cvelogic Threat Intelligence