CVE-2021-36089

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

1.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 65.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/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

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

2021-07-01 02:50Z5 YR AGO

Last updated

2024-08-04 00:47Z2 YR AGO

Reserved

2021-07-01

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

d284863dedda633090a64847ebabe15ea9e17ffb669617ee7a0853a093c8458b

• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544x_refsource_MISC
• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yamlx_refsource_MISC
• github.comhttps://github.com/GrokImageCompression/grok/releasesx_refsource_MISC