The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."
Published Nov 15, 2017
8.1
HIGHCVSS 3.0
EPSS 10.65%
Description
The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."
Affected products
No data.
- < 1.8.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 10.65% (0.10652) | 95.68th | v5 (v2026.06.15) |
| Sep 22, 2026 | 10.65% (0.10652) | 95.59th | v5 (v2026.06.15) |
| Sep 21, 2026 | 9.26% (0.09256) | 95.19th | v5 (v2026.06.15) |
| Sep 6, 2026 | 10.65% (0.10652) | 95.49th | v5 (v2026.06.15) |
| Sep 5, 2026 | 9.26% (0.09256) | 95.08th | v5 (v2026.06.15) |
| Aug 30, 2026 | 10.65% (0.10652) | 95.47th | v5 (v2026.06.15) |
| Aug 28, 2026 | 9.26% (0.09256) | 95.06th | v5 (v2026.06.15) |
| Aug 24, 2026 | 10.65% (0.10652) | 95.44th | v5 (v2026.06.15) |
| Aug 23, 2026 | 9.26% (0.09256) | 95.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 10.65% (0.10652) | 95.21th | v5 (v2026.06.15) |
| Feb 28, 2026 | 16.46% (0.16457) | 94.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.22% (0.21216) | 95.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.56% (0.31556) | 94.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.22% (0.21216) | 95.20th | v4 (v2025.03.14) |
| Jan 7, 2025 | 14.02% (0.14024) | 95.66th | v3 (v2023.03.01) |
| Dec 17, 2024 | 11.96% (0.11962) | 95.32th | v3 (v2023.03.01) |
| Oct 26, 2023 | 14.59% (0.14586) | 95.13th | v3 (v2023.03.01) |
| Sep 25, 2023 | 13.16% (0.13164) | 94.87th | v3 (v2023.03.01) |
| May 18, 2023 | 9.25% (0.09247) | 93.75th | v3 (v2023.03.01) |
| May 8, 2023 | 11.02% (0.11018) | 94.24th | v3 (v2023.03.01) |
| Apr 29, 2023 | 6.92% (0.06917) | 92.88th | v3 (v2023.03.01) |
| Apr 8, 2023 | 5.89% (0.05893) | 92.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.50% (0.07495) | 93.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 19.49% (0.19490) | 96.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 19.49% (0.19490) | 96.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.49% (0.19490) | 93.89th | v2 (v2022.01.01) |
| Feb 3, 2022 | 12.80% (0.12800) | 88.92th | v1 |
| Jan 6, 2022 | 12.80% (0.12800) | 88.79th | v1 |
| Sep 1, 2021 | 12.80% (0.12800) | 95.95th | v1 |
| Apr 14, 2021 | 12.80% (0.12800) | 0.00th | v1 |
References (9)
- http://www.securityfocus.com/bid/101866 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/FriendsOfPHP/security-advisories/blob/master/zetacomponents/mail/CVE-2017-15806.yaml
- https://github.com/advisories/GHSA-hgr8-g756-vmg9 Advisory
- https://github.com/zetacomponents/Mail/issues/58 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/zetacomponents/Mail/releases/tag/1.8.2 x_refsource_CONFIRMIssue TrackingRelease NotesThird Party Advisory
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability x_refsource_MISCIssue TrackingThird Party Advisory
- https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15806
- https://www.exploit-db.com/exploits/43155 exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101866 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/FriendsOfPHP/security-advisories/blob/master/zetacomponents/mail/CVE-2017-15806.yaml | ||
| https://github.com/advisories/GHSA-hgr8-g756-vmg9 | Advisory | |
| https://github.com/zetacomponents/Mail/issues/58 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://github.com/zetacomponents/Mail/releases/tag/1.8.2 | x_refsource_CONFIRMIssue TrackingRelease NotesThird Party Advisory | |
| https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15806 | ||
| https://www.exploit-db.com/exploits/43155 | exploitx_refsource_EXPLOIT-DBIssue TrackingThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.