CVE-2021-44025

mediumpriority · track · 24EPSS 0.012 · 68 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.21% (68th) EPSS

CVSS 4.3 · medium

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-26

Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to XSS in handling an attachment's filename extension when displaying a MIME type warning message.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (16)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source Roundcube <1.3.17all versionscert_bundDE
Open Source Roundcube <1.4.12all versionscert_bundDE
Open Source Roundcube< 1.3.17cert_bundDE
Open Source Roundcube< 1.4.12cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 11.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 33nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 34nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
roundcube webmail< 1.3.17nvdUScpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
roundcube webmail1.4.0 → 1.4.12nvdUScpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Bitnami roundcube< 1.3.17osvUSpkg:bitnami/roundcube
Bitnami roundcube1.4.0 → 1.4.12osvUSpkg:bitnami/roundcube

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1545Roundcube: Mehrere SchwachstellenDeutsch2021-11-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um einen Cross-Site Scripting Angriff oder eine SQL-Injection durchzuführen.
BIT-roundcube-2021-440252024-03-06vendor · osvUS
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to XSS in handling an attachment's filename extension when displaying a MIME type warning message.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2021-11-19modified 2026-06-17

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+52991 more

references (30)

External citations — patches, advisories, analysis.

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