| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Cisco ASA 5500 8.2. This vulnerability affects unknown code of the component Default Configuration. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2009-4455. Furthermore, an exploit is available.
Details
A vulnerability has been found in Cisco ASA 5500 8.2 (Firewall Software) and classified as critical. This vulnerability affects some unknown functionality of the component Default Configuration. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
The default configuration of Cisco ASA 5500 Series Adaptive Security Appliance (Cisco ASA) 7.0, 7.1, 7.2, 8.0, 8.1, and 8.2 allows portal traffic to access arbitrary backend servers, which might allow remote authenticated users to bypass intended access restrictions and access unauthorized web sites via a crafted URL obfuscated with ROT13 and a certain encoding. NOTE: this issue was originally reported as a vulnerability related to lack of restrictions to URLs listed in the Cisco WebVPN bookmark component, but the vendor states that "The bookmark feature is not a security feature."
The weakness was published 12/17/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2009-4455 since 12/29/2009. The exploitation appears to be easy. The attack can be initiated remotely. A single authentication is required for exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/18/2017). The MITRE ATT&CK project declares the attack technique as T1068.
After before and not just, there has been an exploit disclosed. 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 $25k-$100k.
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 OSVDB (61132†), Secunia (SA37710†) and SecurityTracker (ID 1023368†). Once again VulDB remains the best source 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: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Access controlCWE: CWE-264
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
12/17/2009 🔍12/17/2009 🔍
12/17/2009 🔍
12/17/2009 🔍
12/17/2009 🔍
12/29/2009 🔍
12/29/2009 🔍
03/18/2015 🔍
12/18/2017 🔍
Sources
Vendor: cisco.comAdvisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2009-4455 (🔍)
GCVE (CVE): GCVE-0-2009-4455
GCVE (VulDB): GCVE-100-51340
Secunia: 37710 - Cisco ASA WebVPN Bookmark URLs Security Bypass, Less Critical
OSVDB: 61132 - Cisco ASA WebVPN Bookmark URLs ROT13 Encoding Weakness Internal Resource Access
SecurityTracker: 1023368
Vupen: ADV-2009-3577
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/18/2015 15:15Updated: 12/18/2017 08:23
Changes: 03/18/2015 15:15 (56), 12/18/2017 08:23 (7)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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