CVE-2021-26925

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

1.01% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 60.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-02-09 08:53Z5 YR AGO

Last updated

2024-08-03 20:33Z2 YR AGO

Reserved

2021-02-09

Assigning CNA

mitre

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

2c23f702b92d2643aead3e802b3b669ce9e2d23790f03a5160125b658c90ec04

• roundcube.nethttps://roundcube.net/news/2021/02/08/security-update-1.4.11x_refsource_MISC
• github.comhttps://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2021-aef54ec149https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-434b65378ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/vendor-advisoryx_refsource_FEDORA