CVE-2021-44026

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.699 · 99 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 2 exploits · PoC

Likely / severe?

69.9% (99th) EPSS

CVSS 7.5 · high

Is it mine?

23 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-06-22remediate by 2023-07-13

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Roundcube Webmail SQL Injection Vulnerability

Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-89USprimaryCWE-89US

exploits (2)

Public proof-of-concept and weaponised exploit code.

shanglyu/roundcube-cve-2021-44026A demo exploit for CVE-2021-44026, a SQL injection in RoundcubePoC · poc_in_github
skyllpro/CVE-2021-44026-PoCBug Chain XSS (CVE-2020-35730 and CVE-2023-43770) to SQLi (CVE-2021-44026)PoC · poc_in_github

affected products (23)

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
Fedora Project Fedora≤ 33fstec_bduRU
Fedora Project Fedora≤ 34fstec_bduRU
Thomas Brderli Roundcube≤ 1.3.17fstec_bduRU
Thomas Brderli Roundcube1.4.0 → 1.4.12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
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:*:*:*:*:*:*:*:*

showing 20 of 23

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-2021-440262024-03-06vendor · osvUS
Roundcube before 1.3.17 and 1.4.x before 1.4.12 is prone to a potential SQL injection via search or search_params.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

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

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+23868 more

references (27)

External citations — patches, advisories, analysis.

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