CVE-2021-22191

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

3.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 89.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2021-03-15 17:48Z5 YR AGO

Last updated

2024-08-03 18:37Z2 YR AGO

Reserved

2021-01-05

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

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

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

8a549797c91c5e16dbfada371e71da1aedbec8e233fe75c5f6979674ff1bb849

• www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2021-03.htmlx_refsource_MISC
• gitlab.comhttps://gitlab.com/wireshark/wireshark/-/issues/17232x_refsource_MISC
• gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.jsonx_refsource_CONFIRM
• 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
• lists.debian.org[debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00041.htmlmailing-listx_refsource_MLIST