CVE-2021-34564

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-08-31 10:32Z5 YR AGO

Last updated

2024-09-17 02:27Z1 YR AGO

Reserved

2021-06-10

Assigning CNA

CERTVDE

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-315Cleartext Storage of Sensitive Information in a CookieVariant

Data version

5.1

Document digest

80c24f187d003978eb9db3ffc3104ae11f2eb6bc2300449305e5971fd25f4dbc

• cert.vde.comhttps://cert.vde.com/en-us/advisories/vde-2021-027x_refsource_CONFIRM