CVE-2024-42049

Exp

TightVNC (Server for Windows) before 2.8.84 allows attackers to connect to the control pipe via a network connection.

Published: 2024-07-28 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]
NVD Status：Deferred，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-42049 is rated High Exploit Risk (75.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.15%). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2024-42049

EDB-ID Source Kind Published Link
52322 exploit_db edb 2025-06-09 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2024-42049

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 5.75% 2.15% -3.61%
2 2026-01-13 4.32% 5.75% +1.43%
3 2025-12-17 — 4.32% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-42049

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-42049

OS Trackers for CVE-2024-42049

vendor priority summary link
ubuntu medium CVE-2024-42049 medium priority: Ubuntu including 1 source packages (tightvnc), 7 status rows across 7 suites (bionic, focal, jammy, noble, trusty, upstream, xenial): not-affected 7. https://ubuntu.com/security/CVE-2024-42049

Affected software / configurations for CVE-2024-42049

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2024-42049

cvelogic Threat Intelligence