The Common Internet File System (CIFS) optimization in Cisco Wide Area Application…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.
Why it matters now
EPSS 0.01978 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:cisco:wide_area_application_engine:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:h:cisco:wide_area_application_engine_nm-wae-502:*:*:*:*:*:*:*:* | all versions | Running on | Cisco |
| cpe:2.3:a:cisco:wide_area_application_services:4.0.7:*:*:*:*:*:*:* | 4.0.7 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:wide_area_application_services:4.0.9:*:*:*:*:*:*:* | 4.0.9 | Vulnerable | Cisco |
- cpe:2.3:h:cisco:wide_area_application_engine:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:h:cisco:wide_area_application_engine_nm-wae-502:*:*:*:*:*:*:*:* Versions all versions Running on ·Cisco
- cpe:2.3:a:cisco:wide_area_application_services:4.0.7:*:*:*:*:*:*:* Versions 4.0.7 Vulnerable ·Cisco
- cpe:2.3:a:cisco:wide_area_application_services:4.0.9:*:*:*:*:*:*:* Versions 4.0.9 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-3923
- 2026-10-03 Alias added: GHSA-fv75-9f4p-j7c2
References
More Cisco Wide Area Application Services vulnerabilities
- TI-2013-03008 The web service framework in Cisco WAAS Software 4.x and 5.x before 5.0.3e, 5.1.x before… CVSS 2.0HIGH 10.0
- TI-2013-03009 The web framework in Cisco WAAS Software before 4.x and 5.x before 5.0.3e, 5.1.x before… CVSS 2.0HIGH 9.0
- TI-2014-01739 Cisco Wide Area Application Services (WAAS) 5.1.1 before 5.1.1e, when SharePoint prefetch… CVSS 2.0HIGH 9.3
- TI-2015-05404 cifs-ao in the CIFS optimization functionality on Cisco Wide Area Application Service… CVSS 3.0HIGH 7.5
- TI-2018-00288 Hard-coded credentials in Cisco Wide Area Application Services unknown CVSS 3.1MEDIUM 5.3
- TI-2017-04387 Resource management flaw in Cisco Wide Area Application Services SMART-SSL Accelerator CVSS 3.0MEDIUM 6.8
Sources
- CVE-2007-3923 · CVE Program
- CVE-2007-3923 · NVD
- FIRST EPSS
- GHSA-fv75-9f4p-j7c2 · 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