HIGH
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks
Published Aug 20, 2019
7.4
HIGHCVSS 3.1
EPSS 1.03%
Description
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names, leading to homograph attacks.
Affected products
No data.
Configuration 2
- 29
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.
7.4 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact None
Integrity Impact High
Availability Impact None
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.03% 0.01031
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01031
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.03% (0.01031) | 62.51th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.03% (0.01035) | 62.36th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.11% (0.00115) | 45.73th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.11% (0.00115) | 45.11th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.09% (0.00091) | 38.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00115) | 43.62th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.56% (0.02561) | 62.63th | v2 (v2022.01.01) |
| Jan 6, 2022 | 2.91% (0.02909) | 64.55th | v1 |
| Jan 5, 2022 | 0.66% (0.00663) | 48.81th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (2)
- https://github.com/roundcube/roundcubemail/issues/6891 x_refsource_MISCIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFFMSO5WKEYSGMTZPZFF4ZADUJ57PRN5/ vendor-advisoryx_refsource_FEDORA
| Link | Providers | Tags |
|---|---|---|
| https://github.com/roundcube/roundcubemail/issues/6891 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TFFMSO5WKEYSGMTZPZFF4ZADUJ57PRN5/ | vendor-advisoryx_refsource_FEDORA |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 20, 2019
Updated Aug 5, 2024
Reserved Aug 19, 2019
Link CVE-2019-15237
CISA Vulnrichment
Updated n/a