CVE-2020-8285High· 7.5▾ MidnightPoC availablecurl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 41.3 · likelihood 2 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
9.8%
Exploit / PoC code exists
curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.
libcurl >= 7.21.0, < 7.74.0debian_linux = 9.0debian_linux = 10.0fedora = 32fedora = 33clustered_data_ontaphci_management_nodesolidfirehci_bootstrap_oshci_storage_node_firmwaremac_os_x < 10.14.6mac_os_x >= 10.15, < 10.15.7mac_os_x = 10.14.6mac_os_x = 10.15.7macos >= 11.0, < 11.3communications_billing_and_revenue_management = 12.0.0.3.0communications_cloud_native_core_policy = 1.14.0essbase = 21.2peoplesoft_enterprise_peopletools = 8.58m10-1_firmware < xcp2410m10-4_firmware < xcp2410m10-4s_firmware < xcp2410m12-1_firmware < xcp2410m12-2_firmware < xcp2410m12-2s_firmware < xcp2410m10-1_firmware < xcp3110m10-4_firmware < xcp3110m10-4s_firmware < xcp3110m12-1_firmware < xcp3110m12-2_firmware < xcp3110m12-2s_firmware < xcp3110sinec_infrastructure_network_services < 1.0.1.1universal_forwarder >= 8.2.0, < 8.2.12universal_forwarder >= 9.0.0, < 9.0.6universal_forwarder = 9.1.0Upgrade past the affected range:
libcurl 7.74.0mac_os_x 10.15.7macos 11.3m10-1_firmware xcp3110m10-4_firmware xcp3110m10-4s_firmware xcp3110m12-1_firmware xcp3110m12-2_firmware xcp3110m12-2s_firmware xcp3110sinec_infrastructure_network_services 1.0.1.1universal_forwarder 9.0.6Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2021-22924Low· 3.7libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse, if one of them matches the setup.Due to errors in the logic, the config matching function did not take 'issuercert' into account and it comp…
CVE-2021-22876Medium· 5.3curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header
CVE-2021-22890Low· 3.7curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets
CVE-2021-22945Critical· 9.1When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
CVE-2020-8286High· 7.5curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.
CVE-2020-8231High· 7.5Due to use of a dangling pointer, libcurl 7.29.0 through 7.71.1 can use the wrong connection when sending data.