| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco IOS up to 12.0.19. It has been declared as problematic. The impacted element is an unknown function of the component UDP ECHO Handler. The manipulation results in information disclosure. The attack can be executed remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Cisco IOS up to 12.0.19 (Router Operating System). Affected is some unknown processing of the component UDP ECHO Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.
The bug was discovered 07/31/2003. The weakness was released 08/04/2003 with Cisco (Website). The advisory is shared for download at cisco.com. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.
The exploit is shared for download at phenoelit.de. 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.
Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the databases at X-Force (12794), SecurityFocus (BID 8323†), OSVDB (2352†) and Secunia (SA9414†). Entry connected to this vulnerability is available at VDB-213. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
- 12.0.0
- 12.0.1
- 12.0.2
- 12.0.3
- 12.0.4
- 12.0.5
- 12.0.6
- 12.0.7
- 12.0.8
- 12.0.9
- 12.0.10
- 12.0.11
- 12.0.12
- 12.0.13
- 12.0.14
- 12.0.15
- 12.0.16
- 12.0.17
- 12.0.18
- 12.0.19
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.7
VulDB Temp Score: 3.4
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: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: 🔍
Patch: cisco.com
Timeline
07/31/2003 🔍08/01/2003 🔍
08/01/2003 🔍
08/04/2003 🔍
08/05/2003 🔍
06/26/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed
GCVE (VulDB): GCVE-100-216
X-Force: 12794 - Cisco IOS UDP ECHO packet information leak, Medium Risk
SecurityFocus: 8323 - Cisco IOS UDP Echo Service Memory Disclosure Vulnerability
Secunia: 9414 - Cisco IOS Possible Exposure of Memory, Less Critical
OSVDB: 2352 - Cisco IOS UDP Echo Memory Disclosure
SecuriTeam: securiteam.com
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 08/05/2003 11:18Updated: 06/26/2019 10:56
Changes: 08/05/2003 11:18 (69), 06/26/2019 10:56 (2)
Complete: 🔍
Cache ID: 216:77E:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.

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