Client for OES Elevation of Privilege via Buffer Overflow
Priority LOW 34CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
The Micro Focus Client for OES before version 2 SP4 IR8a has a vulnerability that could allow a local attacker to elevate privileges via a buffer overflow in ncfsd.sys.
Why it matters now
EPSS 0.00361 30th percentileScored 2026-11-07
Fix Fixed Client for Open Enterprise Server (Micro Focus): 2 SP4 (IR8a)
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Micro Focus | Client for Open Enterprise Server | 2 SP4 (IR8a) to before 2 SP4 (IR8a) | 2 SP4 (IR8a) | Patch available | CNA |
- Client for Open Enterprise Server VendorMicro Focus Affected 2 SP4 (IR8a) to before 2 SP4 (IR8a) Fixed in 2 SP4 (IR8a) Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microfocus:client:*:*:*:*:*:open_enterprise_server:*:* | up to 2.0 | Vulnerable | Micro Focus International |
| cpe:2.3:a:microfocus:client:2.0:sp3:*:*:*:open_enterprise_server:*:* | 2.0 sp3 | Vulnerable | Micro Focus International |
- cpe:2.3:a:microfocus:client:*:*:*:*:*:open_enterprise_server:*:* Versions up to 2.0 Vulnerable ·Micro Focus International
- cpe:2.3:a:microfocus:client:2.0:sp3:*:*:*:open_enterprise_server:*:* Versions 2.0 sp3 Vulnerable ·Micro Focus International
Remediation
- Fix · CNA Client for Open Enterprise Server (Micro Focus) Fixed in 2 SP4 (IR8a)
Timeline
- 2026-10-02 Threatist record created from CVE-2018-7687
- 2026-10-03 Alias added: GHSA-pvgw-3j5v-w2q9
References
More Micro Focus vulnerabilities
- TI-2021-05471 OS command injection in Operation Bridge Reporter. KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05475 Advance configuration exposing Information Leakage vulnerability in Micro Focus Access… KEVCVSS 3.1HIGH 7.5
- TI-2018-08950 Unauthenticated SQL injection in Micro Focus Secure Messaging Gateway CVSS 3.0CRITICAL 10.0
- TI-2020-09524 Hard-coded credentials in Micro Focus Application Performance Management CVSS 3.1CRITICAL 9.8
- TI-2018-08951 Remote Code Execution in Micro Focus Secure Messaging Gateway CVSS 3.0CRITICAL 9.1
- TI-2020-09523 Arbitrary code execution vulnerability on multiple Micro Focus products CVSS 3.1HIGH 8.8
Sources
- CVE-2018-7687 · CVE Program
- CVE-2018-7687 · NVD
- FIRST EPSS
- GHSA-pvgw-3j5v-w2q9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences