CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

A vulnerability was found in Cisco ONS15327 and ONS15454 up to 3.3. It has been classified as problematic. Affected is an unknown code block of the component TCC/TCC+/XTC. The manipulation with the input value / leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset to TCC, TCC+, TCCi or XTC) via a malformed HTTP request that does not contain a leading / (slash) character.

The bug was discovered 10/31/2002. The weakness was released 03/31/2003 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2002-1557. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

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 (10509) and Tenable (16202). Entries connected to this vulnerability are available at 522, 18888, 20252 and 20253.

Productinfo

Vendor

• Cisco

Name

• ONS15327
• ONS15454

Version

• 3.0
• 3.1
• 3.2
• 3.3

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: ONS15327/ONS15454 3.4

Timelineinfo

10/31/2002 🔍
10/31/2002 +0 days 🔍
10/31/2002 +0 days 🔍
03/31/2003 +151 days 🔍
03/31/2003 +0 days 🔍
02/19/2004 +325 days 🔍
01/18/2005 +334 days 🔍
01/26/2005 +8 days 🔍
08/08/2014 +3481 days 🔍
05/29/2019 +1755 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2002-1557 (🔍)
X-Force: 10509
Vulnerability Center: 6904 - [cisco-sa-20021031-ons-vulnerability] DoS in Cisco ONS via Malformed HTTP Request, High
SecurityFocus: 6082 - Cisco ONS15454/ONS15327 Optical Transport Platforms HTTP Request Denial of Service Vulnerability
OSVDB: 8926 - Cisco - Optical Transport Platforms - DoS via malformed HTTP Request

See also: 🔍

Entryinfo

Created: 08/08/2014 11:49
Updated: 05/29/2019 15:05
Changes: 08/08/2014 11:49 (71), 05/29/2019 15:05 (4)
Complete: 🔍

Discussion

Might our Artificial Intelligence support you?

Check our Alexa App!