Known exploited vulnerability
CVE-2020-13965
The short answer
CVE-2020-13965 affects n/a n/a and is rated medium (CVSS 6.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-06-26: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Severity
6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploited (CISA KEV)
Yes, since Jun 26, 2024
Federal due date Jul 17, 2024
EPSS, next 30 days
77%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
n/a, webmail. NVD's record lists the exact affected versions.
References
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube ExploitThird Party Advisory
- github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3 PatchThird Party Advisory
- github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5 Patch
- github.com/roundcube/roundcubemail/releases/tag/1.3.12 Release Notes
- github.com/roundcube/roundcubemail/releases/tag/1.4.5 Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLESQ4LPJGMSWHQ4TBRTVQRDG7IXAZCW/ Mailing List
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODPJXBHZ32QSP4MYT2OBCALYXSUJ47SK/ Mailing List
- roundcube.net/news/2020/06/02/security-updates-1.4.5-and-1.3.12 Vendor Advisory
- www.debian.org/security/2020/dsa-4700 Third Party Advisory
- github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-13965-Cross%20Site-Scripting%20via%20Malicious%20XML%20Attachment-Roundcube ExploitThird Party Advisory
- github.com/roundcube/roundcubemail/commit/884eb611627ef2bd5a2e20e02009ebb1eceecdc3 PatchThird Party Advisory
- github.com/roundcube/roundcubemail/compare/1.4.4...1.4.5 Patch
Questions
Is CVE-2020-13965 being exploited?
Yes. CISA added CVE-2020-13965 to its Known Exploited Vulnerabilities catalog on 2024-06-26, with a federal remediation due date of 2024-07-17.
How do I fix CVE-2020-13965?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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