CVE-2018-8580
No known exploitation. EPSS puts it in the 91st percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
- Microsoft SharePointAffected: Enterprise Server 2013 Service Pack 1Upgrade to: not statedAffected: Enterprise Server 2016Upgrade to: not statedAffected: Foundation 2010 Service Pack 2Upgrade to: not statedStated by: CVE record
- Microsoft Corp Microsoft SharePoint FoundationAffected: 2010 SP2Upgrade to: not statedStated by: BDU
- Microsoft Corp Microsoft SharePoint Enterprise ServerAffected: 2013 SP1Upgrade to: not statedStated by: BDU
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF), aka "Microsoft SharePoint Information Disclosure Vulnerability." This affects Microsoft SharePoint.
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
4.4% chance of exploitation activity in the next 30 days, which ranks it in the 91st percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 2752 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changemoderate → low
- EPSS band changelow → moderate
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Microsoft SharePointEnterprise Software / document-mgmt
- sharepoint serverEnterprise Software / collaboration-groupware
- Microsoft SharePoint FoundationEnterprise Software / document-mgmt
- Microsoft SharePoint Enterprise Server 2016Enterprise Software / document-mgmt
- Microsoft SharePoint Enterprise ServerEnterprise Software / collaboration-groupware
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Scored 4.3 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- 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 LowSome restricted information is disclosed, but limited in scope
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Microsoft SharePoint, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI