CVE-2020-1505
Microsoft SharePoint Information Disclosure Vulnerability
No known exploitation. EPSS puts it in the 70th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
An information disclosure vulnerability exists when Microsoft SharePoint Server fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. To exploit the vulnerability, an attacker would have to log on to an affected system and run a specially crafted application. The security update addresses the vulnerability by correcting how Microsoft SharePoint Server handles objects in memory.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.3% chance of exploitation activity in the next 30 days, which ranks it in the 70th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 2138 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified
Affected products
- sharepoint enterprise serverEnterprise Software / itsm-monitoring
- sharepoint foundationOperating Systems / windows
- sharepoint serverEnterprise Software / collaboration-groupware
- Microsoft SharePoint ServerEnterprise Software / collaboration-groupware
- Microsoft SharePoint FoundationEnterprise Software / document-mgmt
- Microsoft SharePoint Enterprise Server 2016Enterprise Software / document-mgmt
- Microsoft SharePoint Server 2019Enterprise Software / document-mgmt
- Microsoft SharePoint Foundation 2013 Service Pack 1Enterprise Software / collaboration-groupware
And 3 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Scored 5.5 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
Sources
References in the record
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1505
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1505&
- vuldb.com/?id.159575&
And 1 more reference. See all after sign-in
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