Filtered by vendor Avast
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Total
57 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2024-5102 | 2 Avast, Microsoft | 2 Antivirus, Windows | 2024-06-12 | N/A | 7.0 HIGH |
| A sym-linked file accessed via the repair function in Avast Antivirus <24.2 on Windows may allow user to elevate privilege to delete arbitrary files or run processes as NT AUTHORITY\SYSTEM. The vulnerability exists within the "Repair" (settings -> troubleshooting -> repair) feature, which attempts to delete a file in the current user's AppData directory as NT AUTHORITY\SYSTEM. A low-privileged user can make a pseudo-symlink and a junction folder and point to a file on the system. This can provide a low-privileged user an Elevation of Privilege to win a race-condition which will re-create the system files and make Windows callback to a specially-crafted file which could be used to launch a privileged shell instance. This issue affects Avast Antivirus prior to 24.2. | |||||
| CVE-2020-15024 | 1 Avast | 1 Antivirus | 2024-02-14 | 2.1 LOW | 5.5 MEDIUM |
| An issue was discovered in the Login Password feature of the Password Manager component in Avast Antivirus 20.1.5069.562. An entered password continues to be stored in Windows main memory after a logout, and after a Lock Vault operation. | |||||
| CVE-2023-1587 | 3 Avast, Avg, Microsoft | 3 Antivirus, Anti-virus, Windows | 2024-02-04 | N/A | 5.5 MEDIUM |
| Avast and AVG Antivirus for Windows were susceptible to a NULL pointer dereference issue via RPC-interface. The issue was fixed with Avast and AVG Antivirus version 22.11 | |||||
| CVE-2023-1585 | 3 Avast, Avg, Microsoft | 3 Antivirus, Anti-virus, Windows | 2024-02-04 | N/A | 6.3 MEDIUM |
| Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later. | |||||
| CVE-2023-1586 | 3 Avast, Avg, Microsoft | 3 Antivirus, Anti-virus, Windows | 2024-02-04 | N/A | 4.7 MEDIUM |
| Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the restore process leading to arbitrary file creation. The issue was fixed with Avast and AVG Antivirus version 22.11 | |||||
| CVE-2020-20118 | 1 Avast | 1 Antivirus | 2024-02-04 | N/A | 5.5 MEDIUM |
| Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver. | |||||
| CVE-2022-4291 | 1 Avast | 1 Script Shield | 2024-02-04 | N/A | 10.0 CRITICAL |
| The aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable. This issue was fixed in version 18.0.1478 of the Script Shield Component. | |||||
| CVE-2022-28965 | 1 Avast | 1 Premium Security | 2024-02-04 | 4.4 MEDIUM | 6.5 MEDIUM |
| Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file. | |||||
| CVE-2022-28964 | 1 Avast | 1 Premium Security | 2024-02-04 | 5.4 MEDIUM | 7.1 HIGH |
| An arbitrary file write vulnerability in Avast Premium Security before v21.11.2500 (build 21.11.6809.528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file. | |||||
| CVE-2021-45339 | 1 Avast | 1 Antivirus | 2024-02-04 | 7.2 HIGH | 7.8 HIGH |
| Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by "hollowing" trusted process which could lead to the bypassing of Avast self-defense. | |||||
| CVE-2021-45336 | 1 Avast | 1 Antivirus | 2024-02-04 | 7.2 HIGH | 8.8 HIGH |
| Privilege escalation vulnerability in the Sandbox component of Avast Antivirus prior to 20.4 allows a local sandboxed code to gain elevated privileges by using system IPC interfaces which could lead to exit the sandbox and acquire SYSTEM privileges. | |||||
| CVE-2021-45338 | 1 Avast | 1 Antivirus | 2024-02-04 | 7.2 HIGH | 7.8 HIGH |
| Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security. | |||||
| CVE-2021-45337 | 1 Avast | 1 Antivirus | 2024-02-04 | 7.2 HIGH | 8.8 HIGH |
| Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by "hollowing" process wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection. | |||||
| CVE-2021-45335 | 1 Avast | 1 Antivirus | 2024-02-04 | 7.2 HIGH | 8.8 HIGH |
| Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files. | |||||
| CVE-2021-27241 | 1 Avast | 1 Premium Security | 2024-02-04 | 3.6 LOW | 6.1 MEDIUM |
| This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082. | |||||
| CVE-2020-23907 | 1 Avast | 1 Retdec | 2024-02-04 | 7.5 HIGH | 9.8 CRITICAL |
| An issue was discovered in retdec v3.3. In function canSplitFunctionOn() of ir_modifications.cpp, there is a possible out of bounds read due to a heap buffer overflow. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution. | |||||
| CVE-2020-10864 | 2 Avast, Microsoft | 2 Antivirus, Windows | 2024-02-04 | 5.0 MEDIUM | 6.5 MEDIUM |
| An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a reboot via RPC from a Low Integrity process. | |||||
| CVE-2020-10865 | 2 Avast, Microsoft | 2 Antivirus, Windows | 2024-02-04 | 5.0 MEDIUM | 7.5 HIGH |
| An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to make arbitrary changes to the Components section of the Stats.ini file via RPC from a Low Integrity process. | |||||
| CVE-2020-10860 | 2 Avast, Microsoft | 2 Antivirus, Windows | 2024-02-04 | 5.0 MEDIUM | 7.5 HIGH |
| An issue was discovered in Avast Antivirus before 20. An Arbitrary Memory Address Overwrite vulnerability in the aswAvLog Log Library results in Denial of Service of the Avast Service (AvastSvc.exe). | |||||
| CVE-2020-10866 | 2 Avast, Microsoft | 2 Antivirus, Windows | 2024-02-04 | 5.0 MEDIUM | 7.5 HIGH |
| An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to enumerate the network interfaces and access points from a Low Integrity process via RPC. | |||||