CVE-2021-22945

CVSS V2 Medium 5.8 CVSS V3 Critical 9.1
Description
When 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*.
Overview
  • CVE ID
  • CVE-2021-22945
  • Assigner
  • support@hackerone.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-23T13:15:08
  • Last Modified Date
  • 2022-12-22T20:21:51
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* 1 OR 7.73.0 7.78.0
AND
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* 1 OR
AND
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* 1 OR 5.7.0 5.7.35
cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* 1 OR 8.0.0 8.0.26
AND
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 12.0.0 12.3
AND
cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* 1 OR 1.0.1.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.1
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.2
History
Created Old Value New Value Data Type Notes
2022-05-10 15:42:39 Added to TrackCVE
2022-12-05 11:11:41 cve-assignments@hackerone.com support@hackerone.com CVE Assigner updated
2022-12-05 11:11:41 2021-09-23T13:15Z 2021-09-23T13:15:08 CVE Published Date updated
2022-12-05 11:11:41 2022-08-02T03:15:07 CVE Modified Date updated
2022-12-05 11:11:41 Undergoing Analysis Vulnerability Status updated
2022-12-05 11:11:47 References updated
2022-12-19 04:24:04 2022-12-19T04:15:11 CVE Modified Date updated
2022-12-19 04:24:07 References updated
2022-12-22 21:12:23 2022-12-22T20:21:51 CVE Modified Date updated
2022-12-22 21:12:23 Undergoing Analysis Analyzed Vulnerability Status updated