CVE-2018-8527SQL Server Management Studio XXE
An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XEL file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server…
Published Oct 10, 2018 · Updated Nov 21, 2024
Key Facts
Routine patching- CVE-2018-8527 is a medium-severity vulnerability (CVSS 5.5 v3) affecting SQL Server Management Studio (Microsoft), SQL Server Management Studio 17.9, SQL Server Management Studio 18.0.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v3
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XEL file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server Management Studio 17.9, SQL Server Management Studio 18.0. This CVE ID is unique from CVE-2018-8532, CVE-2018-8533.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SQL Server Management StudioMicrosoft | 17.9, 18.0 | n/a |
| SQL Server Management Studio 17.9 | >= SQL Server Management Studio 17.9 | n/a |
| SQL Server Management Studio 18.0 | >= (Preview 4) | n/a |
Timeline
Publicly disclosed
Oct 10, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-611 Improper Restriction of XML External Entity Reference
References
- advisory105474
- advisory1041826
- patchportal.msrc.microsoft.com · CVE-2018-8527
- exploitExploitDB-45585
- exploit45585
FAQ
Common Questions.
An information disclosure vulnerability exists in Microsoft SQL Server Management Studio (SSMS) when parsing a malicious XEL file containing a reference to an external entity, aka "SQL Server Management Studio Information Disclosure Vulnerability." This affects SQL Server Management Studio 17.9, SQL Server Management…
Affected: SQL Server Management Studio (Microsoft) versions 17.9, 18.0; SQL Server Management Studio 17.9 versions >= SQL Server Management Studio 17.9; SQL Server Management Studio 18.0 versions >= (Preview 4). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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