CVE-2021-22173

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.6% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-02-17 14:26Z5 YR AGO

Last updated

2024-08-03 18:37Z2 YR AGO

Reserved

2021-01-05

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.1

Document digest

74a7528f6e1c4afedd9700bb776a33bcadc873a7b846acf784ef669b8ae972d8

• www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2021-01.htmlx_refsource_MISC
• gitlab.comhttps://gitlab.com/wireshark/wireshark/-/issues/17124x_refsource_MISC
• gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22173.jsonx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2021-f22ce64b3bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GND3PIQC3KZALR227V4YUMPKJBA5BZG4/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-5522a34aa0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYXLKQJ3D632XSG6VO7M4YFDAG6GRCLY/vendor-advisoryx_refsource_FEDORA
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISC
• security.gentoo.orgGLSA-202107-21https://security.gentoo.org/glsa/202107-21vendor-advisoryx_refsource_GENTOO