VDB-74356 · CVE-2015-0607 · BID 72794

Cisco IOS 15.4 Authentication Proxy Feature improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco IOS 15.4. The impacted element is an unknown function of the component Authentication Proxy Feature. Executing a manipulation can lead to improper authentication. This vulnerability is handled as CVE-2015-0607. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cisco IOS 15.4 (Router Operating System). It has been declared as problematic. This vulnerability affects some unknown functionality of the component Authentication Proxy Feature. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. CVE summarizes:

The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.

The weakness was released 03/05/2015 with Cisco (Website). The advisory is shared for download at securitytracker.com. This vulnerability was named CVE-2015-0607 since 01/07/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/02/2024).

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43467 (Cisco IOS Software Authentication Proxy Bypass Vulnerability (Cisco-SA-20150303-CVE-2015-0607)).

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 72794†) and Vulnerability Center (SBV-49069†). Entry connected to this vulnerability is available at VDB-69239. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2015 🔍
02/26/2015 +50 days 🔍
03/05/2015 +7 days 🔍
03/05/2015 +0 days 🔍
03/05/2015 +0 days 🔍
03/15/2015 +10 days 🔍
03/30/2015 +15 days 🔍
12/02/2024 +3535 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2015-0607 (🔍)
GCVE (CVE): GCVE-0-2015-0607
GCVE (VulDB): GCVE-100-74356
SecurityFocus: 72794 - Cisco IOS Software CVE-2014-2188 Authentication Bypass Vulnerability
SecurityTracker: 1031817
Vulnerability Center: 49069 - Cisco IOS Remote Bypass Restrictions via a Connection Attempt that Triggers an Invalid Code, Medium

See also: 🔍

Entryinfo

Created: 03/30/2015 12:29
Updated: 12/02/2024 10:25
Changes: 03/30/2015 12:29 (59), 06/22/2017 11:01 (2), 05/01/2022 08:29 (3), 12/02/2024 10:25 (16)
Complete: 🔍
Cache ID: 216:671:103

Once again VulDB remains the best source for vulnerability data.

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