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ExploitedIn CISA KEVFix available

CVE-2021-44026

Exploitation confirmed. First attested on 2023-06-22 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2021-11-19
  • WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-11-1904:15CVE publishedNVD
  2. 2023-06-22Added to the CISA KEV catalogCISA KEV
  3. 2023-06-22Listed as exploited by GCVEGCVE
  4. 2023-06-22Exploitation first reportedCISA KEV
  5. 2025-02-0419:33SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-44026?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-44026?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
11.0= 11.0no fix published
Fedoraproject fedora
BranchAffectedFixed in
33.x= 33no fix published
34.x= 34no fix published
Roundcube webmail
BranchAffectedFixed in
1.4≥ 1.4.0, < 1.4.121.4.12
1.3< 1.3.171.3.17

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • roundcubeUbuntu:Pro:22.04:LTSall versions · fixed in 1.5.0+dfsg.1-2ubuntu0.1~esm1
  • roundcubeUbuntu:Pro:20.04:LTSall versions · fixed in 1.4.3+dfsg.1-1ubuntu0.1~esm2
  • roundcubeUbuntu:Pro:18.04:LTSall versions · fixed in 1.3.6+dfsg.1-1ubuntu0.1~esm2
  • roundcubeUbuntu:Pro:16.04:LTSall versions · fixed in 1.2~beta+dfsg.1-0ubuntu1+esm2
  • roundcubeDebian:14all versions · fixed in 1.5.0+dfsg.1-1
  • roundcubeDebian:13all versions · fixed in 1.5.0+dfsg.1-1
  • roundcubeDebian:12all versions · fixed in 1.5.0+dfsg.1-1
  • roundcubeDebian:11all versions · fixed in 1.4.12+dfsg.1-1~deb11u1

3 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-44026 Red Hat Product Security

    roundcubemail: potential SQL injection via search or search_params.

Full record on NVD

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2023-07-13

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedshanglyu/roundcube-cve-2021-44026skyllpro/CVE-2021-44026-PoC
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-06-22
Patch Due Date
2023-07-13
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-11-19
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-5fmq-jmc8-85rw

Frequently asked questions

What is CVE-2021-44026?

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.

Is CVE-2021-44026 actively exploited?

Yes. CVE-2021-44026 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-07-13.

What is the CVSS score for CVE-2021-44026?

CVE-2021-44026 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Same product first, then the same vendor advisory and the same publication week.

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Sources for this record