CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.5 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, was found in Cisco IOS XE up to 2.5.1 (Router Operating System). This affects some unknown functionality. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.
The weakness was shared 10/03/2011 with Cisco (Website). The advisory is shared at cisco.com. This vulnerability is uniquely identified as CVE-2011-3275 since 08/29/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/23/2021).
The vulnerability scanner Nessus provides a plugin with the ID 56319 (Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43215 (Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)).
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 vulnerability database at Tenable (56319). The entries 59260, 58805 and 58801 are related to this item.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.5
VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
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: 56319
Nessus Name: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities (cisco-sa-20110928-sip)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/29/2011 🔍09/28/2011 🔍
09/28/2011 🔍
10/02/2011 🔍
10/03/2011 🔍
10/03/2011 🔍
03/23/2015 🔍
11/23/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-3275 (🔍)
Vulnerability Center: 33360 - [cisco-sa-20110928-sip] Cisco IOS SIP Memory Leak Remote DoS Vulnerability (CVE-2011-3275), High
SecurityFocus: 49825 - Cisco IOS SIP Multiple Denial of Service Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/23/2021 07:02
Changes: 03/23/2015 16:50 (54), 04/02/2017 14:09 (11), 11/23/2021 07:02 (3)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.