CVE-2021-22235

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

3.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 88.5% 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

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

2021-07-20 00:00Z5 YR AGO

Last updated

2024-08-03 18:37Z2 YR AGO

Reserved

2021-01-05

Assigning CNA

GitLab

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.1

Document digest

d8e6e2e96ff0160d39d5fa2909632fd97c17147338aa9ec9a32d08730695df3a

• www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2021-05.html
• gitlab.comhttps://gitlab.com/wireshark/wireshark/-/issues/17462
• gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.json
• www.debian.orgDSA-5019https://www.debian.org/security/2021/dsa-5019vendor-advisory
• lists.debian.org[debian-lts-announce] 20211226 [SECURITY] [DLA 2849-1] wireshark security updatehttps://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlmailing-list
• security.gentoo.orgGLSA-202210-04https://security.gentoo.org/glsa/202210-04vendor-advisory