Attacker Value
Unknown
0
CVE-2021-22945
0
CVE ID
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CVE-2021-22945
(Last updated March 28, 2024) ▾
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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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
9.1 Critical
Impact Score:
5.2
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- apple,
- debian,
- fedoraproject,
- haxx,
- netapp,
- oracle,
- siemens,
- splunk
Products
- cloud backup -,
- clustered data ontap -,
- debian linux 11.0,
- fedora 33,
- fedora 35,
- h300e firmware -,
- h300s firmware -,
- h410s firmware -,
- h500e firmware -,
- h500s firmware -,
- h700e firmware -,
- h700s firmware -,
- libcurl,
- macos,
- mysql server,
- sinec ins,
- solidfire baseboard management controller firmware -,
- universal forwarder,
- universal forwarder 9.1.0
References
Advisory
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Exploited in the Wild
CVE ID
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