CVE-2020-26421
Vulnerability Scoring
5.3
/10
Attack Complexity Details
- Attack Complexity: Low Impact
- Attack Vector: NETWORK
- Privileges Required: None
- Scope: UNCHANGED
- User Interaction: NONE
CIA Impact Definition
- Confidentiality:
- Integrity:
- Availability: Low Impact
CVE-2020-26421 Vulnerability Summary
Crash in USB HID protocol dissector and possibly other dissectors in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
Access Complexity Graph for CVE-2020-26421
Impact Analysis for CVE-2020-26421
CVE-2020-26421: Detailed Information and External References
EPSS
0.00191
EPSS %
0.57125
References
0.00191
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26421.json
- https://gitlab.com/wireshark/wireshark/-/issues/16958
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M75HYXU36SP6GHIDPHNZGJKEO6TX4C4Y/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YHWDZPWQJMLK64VFDWJC5SEGPNH6Y72Z/
- https://security.gentoo.org/glsa/202101-12
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.wireshark.org/security/wnpa-sec-2020-17.html
CWE
CWE-125
CAPEC
0.00191
- Overread Buffers: An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.
Vulnerable Configurations
-
cpe:2.3:a:wireshark:wireshark:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.0:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.1:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.2:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.3:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.4:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.5:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.6:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.7:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.7:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.2.8:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.2.8:*:*:*:*:*:*:*
-
cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:wireshark:wireshark:3.4.0:*:*:*:*:*:*:*
-
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
-
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
-
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
-
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
CVSS3 Source
nvd@nist.gov
CVSS3 Type
Primary
CVSS3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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