| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Cisco ASA 5580 up to 8.1.1. Affected by this vulnerability is an unknown functionality. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2009-4921. No exploit exists. You should upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Cisco ASA 5580 up to 8.1.1 (Firewall Software). This issue affects some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. Impacted is availability. The summary by CVE is:
Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allow remote attackers to cause a denial of service (traceback) via malformed TCP packets, aka Bug ID CSCsm84110.
The weakness was disclosed 06/29/2010 with Cisco (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2009-4921 since 06/29/2010. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 8.1%281%29 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (60001), SecurityFocus (BID 41412†) and Vulnerability Center (SBV-36834†). The entries VDB-43899, VDB-53869, VDB-53868 and VDB-53866 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
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: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: ASA 5580 8.1%281%29
Timeline
04/06/2009 🔍04/06/2009 🔍
06/29/2010 🔍
06/29/2010 🔍
06/29/2010 🔍
10/25/2012 🔍
03/19/2015 🔍
04/20/2017 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍
CVE: CVE-2009-4921 (🔍)
GCVE (CVE): GCVE-0-2009-4921
GCVE (VulDB): GCVE-100-53867
X-Force: 60001
SecurityFocus: 41412 - Cisco Adaptive Security Appliances (ASA) 5580 Series Multiple Security Vulnerabilities
Vulnerability Center: 36834 - Cisco ASA 8.1-8.1(1) Remote Denial of Service via Malformed TCP Packets, Medium
See also: 🔍
Entry
Created: 03/19/2015 12:22Updated: 04/20/2017 13:40
Changes: 03/19/2015 12:22 (57), 04/20/2017 13:40 (5)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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