CVE-2021-3672

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.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited 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

2.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 84.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

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

2021-11-23 00:00Z4 YR AGO

Last updated

2024-10-15 17:14Z1 YR AGO

Reserved

2021-07-30

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

a80d561d58bc03caa32f28c6ff6a9c60450c83d15b28d391ab9238f6b93b44bc

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1988342
• c-ares.haxx.sehttps://c-ares.haxx.se/adv_20210810.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.html
• security.gentoo.orgGLSA-202401-02https://security.gentoo.org/glsa/202401-02vendor-advisory