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Annual recap

App security · 2021

2021 recap indexed by Appaloosa Scout: 1,526 CVEs published during the year on tracked apps, 57 added to the CISA KEV catalog (exploited in the wild), 7 apps affected by at least one KEV.

See multi-year trends in the Threat Observatory

CVE indexed this year
1,526
CISA KEV added
57
Tracked apps affected
7

Severity distribution

CRITICAL 143
HIGH 1,142
MEDIUM 238
LOW 3

Top 10 KEVs of the year

Sorted by CVSS severity. “Apps” counts tracked catalog apps: many KEVs are OS-level and legitimately show 0.

CVE Severity
CVE-2021-44228
1 apps
CRITICAL 10.0
CVE-2020-1350
0 apps
CRITICAL 10.0
CVE-2020-1472
0 apps
CRITICAL 10.0
CVE-2019-0708
0 apps
CRITICAL 9.8
CVE-2019-5544
0 apps
CRITICAL 9.8
CVE-2021-38647
0 apps
CRITICAL 9.8
CVE-2020-15999
2 apps
CRITICAL 9.6
CVE-2021-30633
2 apps
CRITICAL 9.6
CVE-2021-37973
2 apps
CRITICAL 9.6
CVE-2021-26855
0 apps
CRITICAL 9.1

Top vendors by KEV this year

  1. 1 Google LLC 18 KEV · 1 apps
  2. 2 Microsoft Corporation 6 KEV · 4 apps
  3. 3 Microsoft 5 KEV · 1 apps
  4. 4 Microsoft Office 4 KEV · 1 apps
  5. 5 Mozilla 3 KEV · 2 apps
  6. 6 Apple Distribution International 1 KEV · 1 apps

Most affected apps

Methodology

KEV: added to the CISA catalog during the year (kev_added_date). CVE: NVD publication date. Apps: those indexed in Scout at query time; the history evolves as new mappings are added.