| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Cisco Wide Area Application Services 4.0.9. This affects an unknown function of the component Wide Area Application Services. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2007-3923. No exploit is available.
Details
A vulnerability was found in Cisco Wide Area Application Services 4.0.9. It has been rated as critical. This issue affects some unknown processing of the component Wide Area Application Services. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
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.
The bug was discovered 07/18/2007. The weakness was published 07/18/2007 (Website). The advisory is shared at cisco.com. The identification of this vulnerability is CVE-2007-3923 since 07/20/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.
It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (35477), SecurityFocus (BID 24956†), OSVDB (36120†), Secunia (SA26122†) and SecurityTracker (ID 1018416†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/18/2007 🔍07/18/2007 🔍
07/18/2007 🔍
07/18/2007 🔍
07/18/2007 🔍
07/19/2007 🔍
07/19/2007 🔍
07/20/2007 🔍
07/20/2007 🔍
07/22/2007 🔍
03/15/2015 🔍
07/22/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Status: Confirmed
CVE: CVE-2007-3923 (🔍)
GCVE (CVE): GCVE-0-2007-3923
GCVE (VulDB): GCVE-100-37925
X-Force: 35477
SecurityFocus: 24956 - Cisco Wide Area Application Services CIFS Remote Denial of Service Vulnerability
Secunia: 26122
OSVDB: 36120 - Cisco Wide Area Application Services (WAAS) Edge Services CIFS Optimisation SYN Flood DoS
SecurityTracker: 1018416
Vulnerability Center: 15644 - [cisco-sa-20070718-waas] Cisco Wide Area Application Services Remote DoS via TCP SYN Flood, High
Vupen: ADV-2007-2572
Entry
Created: 03/15/2015 15:58Updated: 07/22/2019 11:00
Changes: 03/15/2015 15:58 (65), 07/22/2019 11:00 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.

No comments yet. Languages: en.
Please log in to comment.