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CVE-2021-44025

Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to XSS in handling an attachment's...

6.1 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

1.21%Up 0.2 points since Nov 19, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

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.

Record
CVE-2021-44025
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-44025
Updated
2026-11-02
EUVDEUVD-2021-30884 No score

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.

Record
EUVD-2021-30884
Updated
2026-11-03
GitHub AdvisoriesGHSA-w383-2hxw-wjrr No score

Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to XSS in handling an attachment's...

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.

Record
GHSA-w383-2hxw-wjrr
Weakness
CWE-79
Updated
2026-11-02
OSV 6.1

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.

Record
CVE-2021-44025
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2021-44025 6.1

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.

Record
DEBIAN-CVE-2021-44025
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
Show 4 moreShow less
OSVUBUNTU-CVE-2021-44025 6.1

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.

Record
UBUNTU-CVE-2021-44025
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVBIT-roundcube-2021-44025 No score

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.

Record
BIT-roundcube-2021-44025
Updated
2026-11-02
OSVMGASA-2022-0039 No score

Updated roundcubemail packages fix security vulnerability

XSS in handling an attachment's filename extension when displaying a MIME type warning message (CVE-2021-44025). Potential SQL injection via search or search_params (CVE-2021-44026).

Record
MGASA-2022-0039
Updated
2026-11-02
OSVUSN-5182-1 No score

roundcube vulnerabilities

It was discovered that Roundcube Webmail allowed JavaScript code to be present in the CDATA of an HTML message. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12625)

It was discovered that Roundcube Webmail incorrectly processed login and logout POST requests. An attacker could possibly use this issue to launch a cross-site request forgery (CSRF) attack and force an authenticated user to be logged out. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12626)

It was discovered that Roundcube Webmail incorrectly processed new plugin names in rcube_plugin_api.php. An attacker could possibly use this issue to obtain sensitive information from local files or to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12640)

It was discovered that Roundcube Webmail did not sanitize shell metacharacters recovered from variables in its configuration settings. An attacker could possibly use this issue to execute arbitrary code in the server. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-12641)

It was discovered that Roundcube Webmail incorrectly sanitized characters in the username template object. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-13964)

It was discovered that Roundcube Webmail allowed preview of text/html content. A remote attacker could possibly use this issue to send a malicious XML attachment via an email message and execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-13965)

Andrea Cardaci discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained an SVG element in the XML namespace. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-15562)

Lukasz Pilorz discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained SVG documents. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-16145)

Alex Birnberg discovered that Roundcube Webmail incorrectly sanitized characters in plain text e-mail messages that included link reference elements. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2020-35730)

It was discovered that Roundcube Webmail did not properly sanitize HTML special characters in warning messages that contained an attachment's filename extension. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44025)

It was discovered that Roundcube Webmail incorrectly managed session variables related to search functionalities. A remote attacker could possibly use this issue to execute a SQL injection attack. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-44026)

It was discovered that Roundcube Webmail did not properly sanitize HTML special characters when dealing with HTML messages that contained CSS content. A remote attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 18.04 ESM, Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. (CVE-2021-46144)

Record
USN-5182-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
roundcube
Bitnami
before 1.3.17, 1.4.0 up to 1.4.12
1.3.171.4.12
roundcube
Debian:12
before 1.5.0+dfsg.1-1
1.5.0+dfsg.1-1
roundcube
Debian:13
before 1.5.0+dfsg.1-1
1.5.0+dfsg.1-1
roundcube
Debian:14
before 1.5.0+dfsg.1-1
1.5.0+dfsg.1-1
roundcube
Debian:9
From an advisory covering 2 CVEs
before 1.2.3+dfsg.1-4+deb9u9, plus listed versions
1.2.3+dfsg.1-41.2.3+dfsg.1-4+deb9u11.2.3+dfsg.1-4+deb9u21.2.3+dfsg.1-4+deb9u31.2.3+dfsg.1-4+deb9u4
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1.2.3+dfsg.1-4+deb9u51.2.3+dfsg.1-4+deb9u61.2.3+dfsg.1-4+deb9u71.2.3+dfsg.1-4+deb9u8
1.2.3+dfsg.1-4+deb9u9
roundcube
Debian:10
From an advisory covering 2 CVEs
before 1.3.17+dfsg.1-1~deb10u1, plus listed versions
1.3.10+dfsg.1-11.3.10+dfsg.1-1~deb10u11.3.11+dfsg.1-1~deb10u11.3.13+dfsg.1-1~deb10u11.3.14+dfsg.1-1~deb10u11.3.15+dfsg.1-1~deb10u11.3.16+dfsg.1-1~deb10u11.3.8+dfsg.1-2
1.3.17+dfsg.1-1~deb10u1
roundcube
Debian:11
From an advisory covering 2 CVEs
before 1.4.12+dfsg.1-1~deb11u1, plus listed versions
1.4.11+dfsg.1-41.4.12+dfsg.1-1~bpo10+1
1.4.12+dfsg.1-1~deb11u1
roundcubemail
Mageia:8
From an advisory covering 2 CVEs
before 1.5.2-1.mga8
1.5.2-1.mga8
roundcube
Ubuntu:Pro:16.04:LTS
before 1.2~beta+dfsg.1-0ubuntu1+esm2, plus listed versions
1.1.1+dfsg.1-21.1.2+dfsg.1-51.1.3+dfsg.1-11.1.4+dfsg.1-11.2~beta+dfsg.1-0ubuntu11.2~beta+dfsg.1-0ubuntu1+esm1
1.2~beta+dfsg.1-0ubuntu1+esm2
roundcube
Ubuntu:Pro:18.04:LTS
before 1.3.6+dfsg.1-1ubuntu0.1~esm2, plus listed versions
1.3.0+dfsg.1-11.3.1+dfsg.1-11.3.3+dfsg.1-11.3.3+dfsg.1-21.3.6+dfsg.1-11.3.6+dfsg.1-1ubuntu0.1~esm1
1.3.6+dfsg.1-1ubuntu0.1~esm2
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Affected packages
PackageAffectedFixed
roundcube
Ubuntu:Pro:20.04:LTS
before 1.4.3+dfsg.1-1ubuntu0.1~esm2, plus listed versions
1.3.8+dfsg.1-21.3.10+dfsg.1-11.4.1+dfsg.1-21.4.2+dfsg.1-11.4.2+dfsg.1-21.4.3+dfsg.1-11.4.3+dfsg.1-1ubuntu0.1~esm1
1.4.3+dfsg.1-1ubuntu0.1~esm2
roundcube
Ubuntu:Pro:16.04:LTS
From an advisory covering 12 CVEs
before 1.2~beta+dfsg.1-0ubuntu1+esm2, plus listed versions
1.1.1+dfsg.1-21.1.2+dfsg.1-51.1.3+dfsg.1-11.1.4+dfsg.1-11.2~beta+dfsg.1-0ubuntu11.2~beta+dfsg.1-0ubuntu1+esm1
1.2~beta+dfsg.1-0ubuntu1+esm2
roundcube
Ubuntu:Pro:18.04:LTS
From an advisory covering 12 CVEs
before 1.3.6+dfsg.1-1ubuntu0.1~esm2, plus listed versions
1.3.0+dfsg.1-11.3.1+dfsg.1-11.3.3+dfsg.1-11.3.3+dfsg.1-21.3.6+dfsg.1-11.3.6+dfsg.1-1ubuntu0.1~esm1
1.3.6+dfsg.1-1ubuntu0.1~esm2
roundcube
Ubuntu:Pro:20.04:LTS
From an advisory covering 12 CVEs
before 1.4.3+dfsg.1-1ubuntu0.1~esm2, plus listed versions
1.3.8+dfsg.1-21.3.10+dfsg.1-11.4.1+dfsg.1-21.4.2+dfsg.1-11.4.2+dfsg.1-21.4.3+dfsg.1-11.4.3+dfsg.1-1ubuntu0.1~esm1
1.4.3+dfsg.1-1ubuntu0.1~esm2
roundcube
Ubuntu:Pro:22.04:LTS
From an advisory covering 12 CVEs
before 1.5.0+dfsg.1-2ubuntu0.1~esm1, plus listed versions
1.4.11+dfsg.1-41.5.0+dfsg.1-2
1.5.0+dfsg.1-2ubuntu0.1~esm1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44025 is a medium vulnerability (CVSS 6.1) in Debian Linux, published November 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. Fixed in roundcube 1.3.17.

References

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