VDB-57117 · CVE-2011-0935 · BID 47407

Cisco IOS 15.0/15.1 cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$5k-$25k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco IOS 15.0/15.1. Impacted is an unknown function. Performing a manipulation results in cryptographic issue. This vulnerability is reported as CVE-2011-0935. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco IOS 15.0/15.1 (Router Operating System). This affects an unknown code. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The PKI functionality in Cisco IOS 15.0 and 15.1 does not prevent permanent caching of certain public keys, which allows remote attackers to bypass authentication and have unspecified other impact by leveraging an IKE peer relationship in which a key was previously valid but later revoked, aka Bug ID CSCth82164, a different vulnerability than CVE-2010-4685.

The weakness was disclosed 04/14/2011 with Cisco (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2011-0935. 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 11/02/2021). MITRE ATT&CK project uses the attack technique T1600 for this issue.

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 databases at SecurityFocus (BID 47407†) and Vulnerability Center (SBV-31100†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/10/2011 🔍
04/14/2011 +63 days 🔍
04/14/2011 +0 days 🔍
04/14/2011 +0 days 🔍
04/18/2011 +4 days 🔍
04/20/2011 +2 days 🔍
03/23/2015 +1433 days 🔍
11/02/2021 +2416 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securityfocus.com⛔
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0935 (🔍)
GCVE (CVE): GCVE-0-2011-0935
GCVE (VulDB): GCVE-100-57117
SecurityFocus: 47407 - Cisco IOS PKI Functionality Security Bypass Vulnerability
Vulnerability Center: 31100 - Cisco IOS 15.0 and 15.1 PKI Functionality Remote Authentication Bypass Vulnerability, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/02/2021 16:36
Changes: 03/23/2015 16:50 (46), 03/21/2017 11:12 (10), 11/02/2021 16:36 (4)
Complete: 🔍
Cache ID: 216::103

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