CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.3 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS up to 12.x (Router Operating System). It has been rated as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:
The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.
The weakness was disclosed 10/21/2011 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is handled as CVE-2011-1640. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 43240 (Cisco IOS ethernet-lldp component Denial of Service Vulnerability).
Upgrading to version 12.2%2833%29sxh4 eliminates this vulnerability.
The entries 59196, 59195 and 59194 are pretty similar.
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: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
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 |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: IOS 12.2%2833%29sxh4
Timeline
04/05/2011 🔍10/21/2011 🔍
10/21/2011 🔍
10/21/2011 🔍
10/26/2011 🔍
10/27/2011 🔍
03/23/2015 🔍
11/24/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-1640 (🔍)
Vulnerability Center: 33625 - Cisco IOS 12.2 before 12.2(33)SXJ1 Multiple LLDP Management Address TLVs Remote DoS Vulnerability, Medium
SecurityFocus: 50377 - Cisco IOS 'ethernet-lldp' Component Remote Denial of Service Vulnerability
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/24/2021 15:11
Changes: 03/23/2015 16:50 (52), 04/04/2017 11:26 (9), 11/24/2021 15:06 (4), 11/24/2021 15:11 (10)
Complete: 🔍
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