Cisco ONS15327/ONS15454 up to 3.3 TCC/TCC+/XTC privileges management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Cisco ONS15327 and ONS15454 up to 3.3. The affected element is an unknown function of the component TCC/TCC+/XTC. This manipulation causes privileges management. This vulnerability is tracked as CVE-2002-1558. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Cisco ONS15327 and ONS15454 up to 3.3. It has been declared as very critical. Affected by this vulnerability is some unknown processing of the component TCC/TCC+/XTC. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Cisco ONS15454 and ONS15327 running ONS before 3.4 have an account for the VxWorks Operating System in the TCC, TCC+ and XTC that cannot be changed or disabled, which allows remote attackers to gain privileges by connecting to the account via Telnet.
The bug was discovered 10/31/2002. The weakness was disclosed 03/31/2003 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2002-1558. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/29/2019). MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 151 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 16202 (Cisco ONS Multiple Remote Vulnerabilities (20040219-ONS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.
Upgrading to version 3.4 eliminates this vulnerability. A possible mitigation has been published 12 months after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (10510), Tenable (16202), SecurityFocus (BID 6083†), OSVDB (8927†) and Vulnerability Center (SBV-6905†). The entries VDB-522, VDB-18888, VDB-20252 and VDB-20253 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 9.8VulDB Meta Temp Score: 9.4
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: Privileges managementCWE: CWE-269 / CWE-266
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 |
Nessus ID: 16202
Nessus Name: Cisco ONS Multiple Remote Vulnerabilities (20040219-ONS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: ONS15327/ONS15454 3.4
Timeline
10/31/2002 🔍10/31/2002 🔍
10/31/2002 🔍
03/31/2003 🔍
03/31/2003 🔍
02/19/2004 🔍
01/18/2005 🔍
01/26/2005 🔍
08/08/2014 🔍
05/29/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
CVE: CVE-2002-1558 (🔍)
GCVE (CVE): GCVE-0-2002-1558
GCVE (VulDB): GCVE-100-20257
X-Force: 10510
SecurityFocus: 6083 - Cisco ONS15454/ONS15327 Optical Transport Platforms Default Account Vulnerability
OSVDB: 8927 - Cisco - Optical Transport Platforms - Unauthorized Access via Default Account
Vulnerability Center: 6905 - [cisco-sa-20021031-ons-vulnerability] Cisco ONS has Account with Default Username and Password, High
See also: 🔍
Entry
Created: 08/08/2014 11:50Updated: 05/29/2019 15:15
Changes: 08/08/2014 11:50 (70), 05/29/2019 15:15 (4)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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