PatchTheCEVh500s firmware vulnerabilities and fixes
Recent CVEs affecting h500s firmware, with upgrade or downgrade steps. 6 tracked.
h500s firmware has 6 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 6. Most recent: 2023-05-26. Highest priority: CVE-2023-27534 (score 57/100).
- CVE-2023-27534 HIGH 8.8 UPGRADE MITIGATE A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be
- CVE-2023-28319 HIGH 7.5 UPGRADE UPGRADE A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH ser
- CVE-2023-27536 MEDIUM 5.9 UPGRADE MITIGATE An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse p
- CVE-2023-23916 MEDIUM 6.5 UPGRADE MITIGATE An allocation of resources without limits or throttling vulnerability exists in curl <v7.88.0 based on the "ch
- CVE-2023-28320 MEDIUM 5.9 UPGRADE UPGRADE A denial of service vulnerability exists in curl <v8.1.0 in the way libcurl provides several different backend
- CVE-2023-27537 MEDIUM 5.9 DOWNGRADE MITIGATE A double free vulnerability exists in libcurl <8.0.0 when sharing HSTS data between separate "handles"
FAQ
How do I fix h500s firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is h500s firmware being exploited right now?
None of the tracked h500s firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which h500s firmware CVE should I patch first?
CVE-2023-27534 currently ranks highest (57/100): A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be .