CVE-2021-23369

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

7.02% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.1% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-08.

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

2021-04-12 13:10Z5 YR AGO

Last updated

2026-10-08 21:13Z20 DAYS AGO

Reserved

2021-01-08

Assigning CNA

snyk

Record state

PUBLISHED

Severity

Medium (CVSS 5.6)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Weaknesses

No CWE assigned

Data version

5.2

Document digest

5f9be63afa8ffd27eccd8e67887f814f81ba5301075594f342ffdb6779d55ccb

• snyk.iohttps://snyk.io/vuln/SNYK-JS-HANDLEBARS-1056767x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074950x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074951x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074952x_refsource_MISC
• github.comhttps://github.com/handlebars-lang/handlebars.js/commit/b6d3de7123eebba603e321f04afdbae608e8fea8x_refsource_MISC
• github.comhttps://github.com/handlebars-lang/handlebars.js/commit/f0589701698268578199be25285b2ebea1c1e427x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210604-0008/x_refsource_CONFIRM