Medium severity5.3NVD Advisory· Published Jun 11, 2021· Updated Jun 17, 2026
CVE-2021-22897
CVE-2021-22897
Description
curl 7.61.0 through 7.76.1 suffers from exposure of data element to wrong session due to a mistake in the code for CURLOPT_SSL_CIPHER_LIST when libcurl is built to use the Schannel TLS library. The selected cipher set was stored in a single "static" variable in the library, which has the surprising side-effect that if an application sets up multiple concurrent transfers, the last one that sets the ciphers will accidentally control the set used by all transfers. In a worst-case scenario, this weakens transport security significantly.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
26- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.1:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.15.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*Range: <1.0.1.1
cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*range: >=8.2.0,<8.2.12
- cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:hci_compute_node_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
- curl/curldescription
Patches
Vulnerability mechanics
References
8- cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfnvdPatchThird Party Advisory
- curl.se/docs/CVE-2021-22897.htmlnvdPatchVendor Advisory
- github.com/curl/curl/commit/bbb71507b7bab52002f9b1e0880bed6a32834511nvdPatchThird Party Advisory
- www.oracle.com//security-alerts/cpujul2021.htmlnvdPatchThird Party Advisory
- www.oracle.com/security-alerts/cpuapr2022.htmlnvdPatchThird Party Advisory
- www.oracle.com/security-alerts/cpujan2022.htmlnvdPatchThird Party Advisory
- hackerone.com/reports/1172857nvdExploitIssue TrackingThird Party Advisory
- security.netapp.com/advisory/ntap-20210727-0007/nvdThird Party Advisory
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