steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message
Published Dec 8, 2016
7.5
HIGHCVSS 3.0
EPSS 5.60%
Description
steps/mail/sendmail.inc in Roundcube before 1.1.7 and 1.2.x before 1.2.3, when no SMTP server is configured and the sendmail program is enabled, does not properly restrict the use of custom envelope-from addresses on the sendmail command line, which allows remote authenticated users to execute arbitrary code via a modified HTTP request that sends a crafted e-mail message.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.60% (0.05600) | 92.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.62% (0.05621) | 91.91th | v5 (v2026.06.15) |
| Apr 1, 2026 | 38.30% (0.38304) | 97.20th | v4 (v2025.03.14) |
| Jul 20, 2025 | 44.83% (0.44834) | 97.44th | v4 (v2025.03.14) |
| Mar 30, 2025 | 38.30% (0.38304) | 96.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 55.79% (0.55791) | 97.22th | v4 (v2025.03.14) |
| Mar 28, 2025 | 38.30% (0.38304) | 96.92th | v4 (v2025.03.14) |
| Mar 27, 2025 | 55.79% (0.55791) | 97.77th | v4 (v2025.03.14) |
| Mar 20, 2025 | 38.30% (0.38304) | 96.95th | v4 (v2025.03.14) |
| Mar 19, 2025 | 55.79% (0.55791) | 97.81th | v4 (v2025.03.14) |
| Mar 17, 2025 | 38.30% (0.38304) | 96.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.68% (0.00680) | 80.66th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.68% (0.00680) | 79.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.68% (0.00680) | 76.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 49.42% (0.49418) | 98.66th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.42% (0.49418) | 98.19th | v2 (v2022.01.01) |
References (5)
- http://www.openwall.com/lists/oss-security/2016/12/08/10 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/94858 vdb-entryx_refsource_BID
- https://blog.ripstech.com/2016/roundcube-command-execution-via-email/ x_refsource_MISCExploitThird Party Advisory
- https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released x_refsource_CONFIRMRelease NotesVendor Advisory
- https://security.gentoo.org/glsa/201612-44 vendor-advisoryx_refsource_GENTOO
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/12/08/10 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/94858 | vdb-entryx_refsource_BID | |
| https://blog.ripstech.com/2016/roundcube-command-execution-via-email/ | x_refsource_MISCExploitThird Party Advisory | |
| https://roundcube.net/news/2016/11/28/updates-1.2.3-and-1.1.7-released | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://security.gentoo.org/glsa/201612-44 | vendor-advisoryx_refsource_GENTOO |
Change history (0)
No recorded changes yet.