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Vulnerable Software

Vulnerability Details CVE-2021-45338

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.0%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Products affected by CVE-2021-45338
  • Avast » Antivirus » Version: 12.1.2272
    cpe:2.3:a:avast:antivirus:12.1.2272
  • Avast » Antivirus » Version: 12.2.2276
    cpe:2.3:a:avast:antivirus:12.2.2276
  • Avast » Antivirus » Version: 12.3.2279
    cpe:2.3:a:avast:antivirus:12.3.2279
  • Avast » Antivirus » Version: 17.1.2286
    cpe:2.3:a:avast:antivirus:17.1.2286
  • Avast » Antivirus » Version: 17.2.2288
    cpe:2.3:a:avast:antivirus:17.2.2288
  • Avast » Antivirus » Version: 17.3.2290
    cpe:2.3:a:avast:antivirus:17.3.2290
  • Avast » Antivirus » Version: 17.3.2291
    cpe:2.3:a:avast:antivirus:17.3.2291
  • Avast » Antivirus » Version: 17.4.2294
    cpe:2.3:a:avast:antivirus:17.4.2294
  • Avast » Antivirus » Version: 17.5.2302
    cpe:2.3:a:avast:antivirus:17.5.2302
  • Avast » Antivirus » Version: 17.6.2310
    cpe:2.3:a:avast:antivirus:17.6.2310
  • Avast » Antivirus » Version: 17.7.2314
    cpe:2.3:a:avast:antivirus:17.7.2314
  • Avast » Antivirus » Version: 17.8.2318
    cpe:2.3:a:avast:antivirus:17.8.2318
  • Avast » Antivirus » Version: 17.9.2322
    cpe:2.3:a:avast:antivirus:17.9.2322
  • Avast » Antivirus » Version: 18.1.2326
    cpe:2.3:a:avast:antivirus:18.1.2326
  • Avast » Antivirus » Version: 18.2.2328
    cpe:2.3:a:avast:antivirus:18.2.2328
  • Avast » Antivirus » Version: 18.3.2333
    cpe:2.3:a:avast:antivirus:18.3.2333
  • Avast » Antivirus » Version: 18.4.2338
    cpe:2.3:a:avast:antivirus:18.4.2338
  • Avast » Antivirus » Version: 18.5.2342
    cpe:2.3:a:avast:antivirus:18.5.2342
  • Avast » Antivirus » Version: 18.6.2349
    cpe:2.3:a:avast:antivirus:18.6.2349
  • Avast » Antivirus » Version: 18.7.2354
    cpe:2.3:a:avast:antivirus:18.7.2354
  • Avast » Antivirus » Version: 18.8.2356
    cpe:2.3:a:avast:antivirus:18.8.2356
  • Avast » Antivirus » Version: 19.1
    cpe:2.3:a:avast:antivirus:19.1
  • Avast » Antivirus » Version: 19.3.2369
    cpe:2.3:a:avast:antivirus:19.3.2369
  • Avast » Antivirus » Version: 19.4
    cpe:2.3:a:avast:antivirus:19.4
  • Avast » Antivirus » Version: 19.4.2374
    cpe:2.3:a:avast:antivirus:19.4.2374
  • Avast » Antivirus » Version: 19.5.2378
    cpe:2.3:a:avast:antivirus:19.5.2378
  • Avast » Antivirus » Version: 19.6.2383
    cpe:2.3:a:avast:antivirus:19.6.2383
  • Avast » Antivirus » Version: 19.7
    cpe:2.3:a:avast:antivirus:19.7
  • Avast » Antivirus » Version: 19.7.2388
    cpe:2.3:a:avast:antivirus:19.7.2388
  • Avast » Antivirus » Version: 19.8
    cpe:2.3:a:avast:antivirus:19.8
  • Avast » Antivirus » Version: 19.8.2393
    cpe:2.3:a:avast:antivirus:19.8.2393
  • Avast » Antivirus » Version: 20.0
    cpe:2.3:a:avast:antivirus:20.0
  • Avast » Antivirus » Version: 20.1.5069.562
    cpe:2.3:a:avast:antivirus:20.1.5069.562
  • Avast » Antivirus » Version: 8.0.1489
    cpe:2.3:a:avast:antivirus:8.0.1489
  • Avast » Antivirus » Version: 8.0.1497
    cpe:2.3:a:avast:antivirus:8.0.1497
  • Avast » Antivirus » Version: 8.0.1500
    cpe:2.3:a:avast:antivirus:8.0.1500
  • Avast » Antivirus » Version: 8.0.1501
    cpe:2.3:a:avast:antivirus:8.0.1501
  • Avast » Antivirus » Version: 8.0.1504
    cpe:2.3:a:avast:antivirus:8.0.1504
  • Avast » Antivirus » Version: 8.0.1506
    cpe:2.3:a:avast:antivirus:8.0.1506


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