A local denial of service vulnerability exists in window broadcast message handling functionality of Kaspersky Anti-Virus software. Sending certain unhandled window messages, an attacker can cause application termination and in the same way bypass KAV self-protection mechanism.

There are no Anti-CSRF tokens in any forms on the web interface in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). This would allow an attacker to submit authenticated requests when an authenticated user browses an attacker-controlled domain.

The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.

The reportId parameter of the getReportStatus action method can be abused in the web interface in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312) to read arbitrary files with kluser privileges.

In Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312), the scriptName parameter of the licenseKeyInfo action method is vulnerable to cross-site scripting (XSS).

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March 2022 had a bug in a data parsing module that potentially allowed an attacker to execute arbitrary code. The fix was delivered automatically. Credits: Georgy Zaytsev (Positive Technologies).

A denial-of-service issue existed in one of modules that was incorporated in Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security. A local user could cause Windows crash by running a specially crafted binary module. The fix was delivered automatically. Credits: (Straghkov Denis, Kurmangaleev Shamil, Fedotov Andrey, Kuts Daniil, Mishechkin Maxim, Akolzin Vitaliy) @ ISPRAS

Information Disclosure in Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security versions up to 2019 could potentially disclose unique Product ID by forcing victim to visit a specially crafted webpage (for example, via clicking phishing link). Vulnerability has CVSS v3.0 base score 2.6

Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Free Anti-Virus, Kaspersky Small Office Security, Kaspersky Security Cloud up to 2020, the web protection component did not adequately inform the user about the threat of redirecting to an untrusted site. Bypass.

Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Free Anti-Virus, Kaspersky Small Office Security, Kaspersky Security Cloud up to 2020, the web protection component was vulnerable to remote disclosure of various information about the user's system (like Windows version and version of the product, host unique ID). Information Disclosure.

Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Free Anti-Virus, Kaspersky Small Office Security, Kaspersky Security Cloud up to 2020, the web protection component allowed an attacker remotely disable various anti-virus protection features. DoS, Bypass.

Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, Kaspersky Free Anti-Virus, Kaspersky Small Office Security, Kaspersky Security Cloud up to 2020, the web protection component allowed an attacker remotely disable such product's security features as private browsing and anti-banner. Bypass.