CVE-2021-44026

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2023-06-22. Federal remediation due 2023-07-13.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active 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

41.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% 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

Analyzed. 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

2021-11-19 03:47Z4 YR AGO

Last updated

2025-10-21 23:25Z10 MO AGO

Reserved

2021-11-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')Base

Data version

5.1

Document digest

a6010f4ae5631ce62dc8ad7437077831f32852f0840b1aab59990b6533add6c2

• bugs.debian.orghttps://bugs.debian.org/1000156x_refsource_MISC
• github.comhttps://github.com/roundcube/roundcubemail/commit/c8947ecb762d9e89c2091bda28d49002817263f1x_refsource_MISC
• github.comhttps://github.com/roundcube/roundcubemail/commit/ee809bde2dcaa04857a919397808a7296681dcfax_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-167865df98https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TP3Y5RXTUUOUODNG7HFEKWYNIPIT2NL4/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-43d3c10590https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDVGIZMQJ5IOM47Y3SAAJRN5VPANKTKO/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-5013https://www.debian.org/security/2021/dsa-5013vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20211206 [SECURITY] [DLA 2840-1] roundcube security updatehttps://lists.debian.org/debian-lts-announce/2021/12/msg00004.htmlmailing-listx_refsource_MLIST
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44026government-resource