CVE-2021-21017
Adobe
KEV
- Vendors: Adobe
🛡️ Vulnerability overview CVE-2021-21017
https://nvd.nist.gov/vuln/detail/CVE-2021-21017
📊 Technical details
- Severity:
- CVSS:
- Vendor:
🧩 Affected products
- Not specified.
🚨 Recommended mitigations
- Update to the latest available version
- Monitor logs and network traffic
- Apply least-privilege and segment the network
🔗 References
🧭 Related vulnerabilities
- No related CVEs.
https://nvd.nist.gov/vuln/detail/CVE-2021-21017
Related CVE by CWE
No related CWE found.
Top CVE for Vendor
- CVE-2025-54253 (CVSS 10)
- CVE-2025-54236 (CVSS 9.1)
- CVE-1999-0133 (no score)
- CVE-1999-1576 (no score)
Recently Exploited Similar Vulnerabilities
No recent KEV-listed items for this vendor/product.
How to fix CVE-2021-21017
CVE-2021-21017 is a unknown severity vulnerability affecting Adobe the affected product.
Description: 🛡️ Vulnerability overview CVE-2021-21017 https://nvd.nist.gov/vuln/detail/CVE-2021-21017 📊 Technical details Severity: CVSS: Vendor: 🧩 Affected products Not specified. 🚨 Recommended mitigations Update to the latest available version Monitor logs and network traffic Apply least-privilege and segment the network 🔗 References 🧭 Related vulnerabilities No related CVEs. Subscribe for CVE alerts https://nvd.nist.gov/vuln/detail/CVE-2021-21017 Related CVE by CWENo related CWE […]
Exploit Difficulty: HARD
âąď¸ Time to exploit: > 4 hours
đ ď¸ Required skills: Advanced security expertise
đ° Public exploits: Rare or not public
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Description: 🛡️ Vulnerability overview CVE-2021-21017 https://nvd.nist.gov/vuln/detail/CVE-2021-21017 📊 Technical details Severity: CVSS: Vendor: 🧩 Affected products Not specified. 🚨 Recommended mitigations Update to the latest available version Monitor logs and network traffic Apply least-privilege and segment the network 🔗 References 🧭 Related vulnerabilities No related CVEs. Subscribe for CVE alerts https://nvd.nist.gov/vuln/detail/CVE-2021-21017 Related CVE by CWENo related CWE […]
Exploit Difficulty: HARD
âąď¸ Time to exploit: > 4 hours
đ ď¸ Required skills: Advanced security expertise
đ° Public exploits: Rare or not public
How to Fix:
1 Identify affected systems
- Check if you're running the affected product
2 Immediate actions
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
3 Verification
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
4 Long-term prevention
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
HARD
Time to Exploit: > 4 hours
Skills Required: Advanced security expertise
Public Exploits: Rare or not public
KEV Status: This vulnerability is actively exploited in the wild!
Vulnerability Timeline
Timeline information not available for this CVE.
Detection Rules & IOCs
No specific detection rules generated for this vulnerability type.