CVE-2022-21826

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

45.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2022-09-30 16:24Z3 YR AGO

Last updated

2024-08-03 02:53Z2 YR AGO

Reserved

2021-12-10

Assigning CNA

hackerone

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base

Data version

5.1

Document digest

e0b6f474d39d2651d3119e4f49191e3510ba4139cb918064bc75259994b8a971

• kb.pulsesecure.nethttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/Client-Side-Desync-Attack/x_refsource_MISC