PatchTheCVEopenconnect vulnerabilities and fixes
Recent CVEs affecting openconnect, with upgrade or downgrade steps. 3 tracked.
openconnect has 3 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 2. Most recent: 2020-05-12. Highest priority: CVE-2020-12823 (score 72/100).
- CVE-2020-12823 CRITICAL 9.8 DOWNGRADE MITIGATE OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecifie
- CVE-2020-12105 MEDIUM 5.9 UPGRADE MITIGATE OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist
- CVE-2013-7098 CRITICAL 9.8 UPGRADE OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.
FAQ
How do I fix openconnect 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 openconnect being exploited right now?
None of the tracked openconnect CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which openconnect CVE should I patch first?
CVE-2020-12823 currently ranks highest (72/100): OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecifie.