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10 CVEs • 1 product

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CVEs (10)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2020-12823 4Debian FedoraprojectInfradead+1 more 4Debian Linux FedoraLeap+1 more Nov 21, 2024 May 12, 2020 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.
CVE-2020-12105 2Infradead Opensuse 2Leap Openconnect Nov 21, 2024 Apr 23, 2020 N/A· v4 5.9 MEDIUM· v3 4.3 MEDIUM· v2 OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.
CVE-2013-7098 1Infradead 1Openconnect Nov 21, 2024 Feb 13, 2020 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.
CVE-2019-16239 5Canonical DebianFedoraproject+2 more 5Debian Linux FedoraLeap+2 more Nov 21, 2024 Sep 17, 2019 N/A· v4 9.8 CRITICAL· v3 7.5 HIGH· v2 process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
CVE-2012-6128 1Infradead 1Openconnect Apr 29, 2026 Feb 24, 2013 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.
CVE-2012-3291 1Infradead 1Openconnect Apr 29, 2026 Jun 7, 2012 N/A· v4 N/A· v3 7.8 HIGH· v2 Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
CVE-2010-3903 1Infradead 1Openconnect Apr 29, 2026 Oct 14, 2010 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Unspecified vulnerability in OpenConnect before 2.23 allows remote AnyConnect SSL VPN servers to cause a denial of service (application crash) via a 404 HTTP status code.
CVE-2010-3902 1Infradead 1Openconnect Apr 29, 2026 Oct 14, 2010 N/A· v4 N/A· v3 5.0 MEDIUM· v2 OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demonstrated by output posted to the public op...Show more OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demonstrated by output posted to the public openconnect-devel mailing list.Show less
CVE-2010-3901 1Infradead 1Openconnect Apr 29, 2026 Oct 14, 2010 N/A· v4 N/A· v3 6.4 MEDIUM· v2 OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond...Show more OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.Show less
CVE-2009-5009 1Infradead 1Openconnect Apr 29, 2026 Oct 14, 2010 N/A· v4 N/A· v3 5.0 MEDIUM· v2 Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher opti...Show more Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.Show less