CVE-2021-32820

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

17.99% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 96.9% of scored records. A rank, not a probability.

NVD base score

8.6 (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:C/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

2021-05-14 18:25Z5 YR AGO

Last updated

2024-08-03 23:33Z2 YR AGO

Reserved

2021-05-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

1754c1a82d565c9467eddbf19c7490aa4e3d2311412b4a5eb8499154163c49d3

• securitylab.github.comhttps://securitylab.github.com/advisories/GHSL-2021-018-express-handlebars/x_refsource_CONFIRM
• www.npmjs.comhttps://www.npmjs.com/package/express-handlebarsx_refsource_MISC
• github.comhttps://github.com/express-handlebars/express-handlebars/pull/163x_refsource_MISC
• github.comhttps://github.com/express-handlebars/express-handlebars/commit/78c47a235c4ad7bc2674bddd8ec2721567ed8c72x_refsource_MISC
• github.comhttps://github.com/express-handlebars/express-handlebars/blob/78c47a235c4ad7bc2674bddd8ec2721567ed8c72/README.md#danger-x_refsource_MISC