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Vulnerability record · CVE-2025-56231 · published 5 November 2025

CVE-2025-56231: Tonec internet download manager improper certificate validation vulnerability

Tonec · Internet Download Manager

Tonec Internet Download Manager 6.42.41.1 and earlier suffers from Missing SSL Certificate Validation, which allows attackers to bypass update protections.

9.1 CVSS 3.1 Critical EPSS 0.23% · top 87.5% CWE-295 · Improper certificate validation
9.1CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
5 Jul 2026Last modified by NVD

Description

Tonec Internet Download Manager 6.42.41.1 and earlier suffers from Missing SSL Certificate Validation, which allows attackers to bypass update protections.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2010-0995Tonec internet download manager memory buffer overflow vulnerabilityStack-based buffer overflow in Internet Download Manager (IDM) before 5.19 allows remote attackers to execute arbitrary code via a crafted FTP URI th…EPSS 8.1%7.1CVE-2020-23060Tonec internet download manager out-of-bounds write vulnerabilityInternet Download Manager 6.37.11.1 was discovered to contain a stack buffer overflow in the Export/Import function. This vulnerability allows attack…EPSS 0.41%6.7CVE-2020-28964Tonec internet download manager out-of-bounds write vulnerabilityInternet Download Manager 6.37.11.1 was discovered to contain a stack buffer overflow in the Search function. This vulnerability allows attackers to …EPSS 0.41%9.8CVE-2026-85102Checkpoint gaia embedded improper certificate validation vulnerabilityImproper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to …KEVEPSS 0.99%5.5CVE-2023-41991Apple iOS, iPadOS and macOS certificate validation bypassApple iOS, iPadOS and macOS contain an improper certificate validation flaw (CWE-295) that lets a malicious app bypass signature validation. Apple st…KEVEPSS 13%analysed7.8CVE-2023-20963Android WorkSource parcel mismatch local privilege escalationCVE-2023-20963 is a parcel mismatch in Android's WorkSource component that allows a local attacker to escalate privileges without additional executio…KEVEPSS 1.5%analysed8.8CVE-2022-26923Microsoft Active Directory Domain Services certificate validation privilege escalationActive Directory Domain Services fails to properly validate certificate attributes, allowing a low-privileged domain user to obtain a certificate tha…KEVEPSS 84%analysed8.0CVE-2022-20703Cisco Small Business RV Series Routers stack-based buffer overflowCVE-2022-20703 covers multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340 and RV345 Series Routers, including a stack-based buffer o…KEVEPSS 9.2%analysed

Source: NIST National Vulnerability Database (record CVE-2025-56231), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.