VULNERABILITY REMEDIATION

CVE remediation guides

Move from asset identification to supported remediation and post-change verification while keeping source evidence visible.

These defensive guides do not provide exploit reproduction or bypass instructions.

01

Confirm exposure first

Match the product, version, installation path, and external exposure before treating a score as an action order.

02

Prefer supported fixes

Use vendor advisories and supported update paths. An unverified fixed-version field stays visibly unresolved.

03

Verify and retain rollback

Confirm version state, service health, access paths, logs, and rollback readiness after the change.

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Known exploitedHighFixed-version data

CVE-2021-30762

Apple iOS

Affected: unspecified, < 12.5.4
Fixed: 12.5.4

Known exploitedHighFixed-version data

CVE-2021-30761

Apple iOS

Affected: unspecified, < 12.5.4
Fixed: 12.5.4

Known exploitedCriticalFixed-version data

CVE-2021-40539

Zoho ManageEngine

Affected: < 6.1, 6.1
Fixed: 6.1

Review reviewHighFixed-version data

CVE-2021-35267

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-35266

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-33287

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-33286

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-35269

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-35268

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Review reviewHighFixed-version data

CVE-2021-33289

ntfs-3g, debian linux

Affected: < 2021.8.22, 9.0, 10.0, 11.0, 33, 35
Fixed: 2021.8.22

Known exploitedHighResearch in progress

CVE-2021-28550

Adobe Acrobat and Reader

Affected: unspecified, >= 15.008.20082 <= 21.001.20150, >= 17.011.30059 <= 17.011.30194, >= 20.001.30005 <= 20.001.30020, >= 15.008.20082 <= 21.001.20149
Fixed: No verified fixed-version field is available yet

Known exploitedCriticalResearch in progress

CVE-2021-37415

Zoho ManageEngine ServiceDesk Plus (SDP)

Affected: 11.0, 11.1, 11.2, 11.3
Fixed: No verified fixed-version field is available yet