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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-45339

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 7.2
Products affected by CVE-2021-45339
  • 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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