CVE-2021-22207

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

2.02% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 80.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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

2021-04-23 17:32Z5 YR AGO

Last updated

2024-08-03 18:37Z2 YR AGO

Reserved

2021-01-05

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.1

Document digest

0b1e74283f649303f1fc07ede90707da83180fec07910dc68c3c2f0670ea5aba

• www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2021-04.htmlx_refsource_MISC
• gitlab.comhttps://gitlab.com/wireshark/wireshark/-/issues/17331x_refsource_MISC
• gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.jsonx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2021-6e0508d69dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NL7ZTMMWIEPHHFK3ONRKATWE7CLIGLFD/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-67691ad99dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GIWWO27HV4HUKXV6NH6ULHCRAQB26DMD/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202107-21https://security.gentoo.org/glsa/202107-21vendor-advisoryx_refsource_GENTOO
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• www.debian.orgDSA-5019https://www.debian.org/security/2021/dsa-5019vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security updatehttps://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlmailing-listx_refsource_MLIST