CVE-2020-8155
MEDIUM
5.4
CVSS Score
Published: May 12, 2020 at 01:01 PM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorNextcloud/server
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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%
Description
An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when opening a malicious PDF.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Nextcloud/server· Nextcloudnextcloud-app
95%v < 18.0.318.0.3
Affected range stops below 18.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/
References (6)
Vendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00040.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/x_refsource_MISCVendor Advisory
Source: [email protected]
https://nextcloud.com/security/advisory/?id=NC-SA-2020-019CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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