VDB-109467 · CVE-2017-12316 · BID 101931

Cisco Identity Services Engine improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco Identity Services Engine. The affected element is an unknown function. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2017-12316. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Identity Services Engine (Policy Management Software) (affected version unknown). This affects an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the Guest Portal login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit. The vulnerability is due to insufficient server-side login attempt limit enforcement. An attacker could exploit this vulnerability by sending modified login attempts to the Guest Portal login page. An exploit could allow the attacker to perform brute-force password attacks on the ISE Guest Portal. Cisco Bug IDs: CSCve98518.

The bug was discovered 11/15/2017. The weakness was disclosed 11/16/2017 as cisco-sa-20171115-ise as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2017-12316 since 08/03/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/24/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

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 SecurityFocus (BID 101931†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/03/2017 🔍
11/15/2017 +104 days 🔍
11/15/2017 +0 days 🔍
11/16/2017 +1 days 🔍
11/16/2017 +0 days 🔍
11/16/2017 +0 days 🔍
01/24/2021 +1165 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20171115-ise
Researcher: Mauricio Urizar
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12316 (🔍)
GCVE (CVE): GCVE-0-2017-12316
GCVE (VulDB): GCVE-100-109467
SecurityFocus: 101931 - Cisco Identity Services Engine CVE-2017-12316 Brute Force Authentication Bypass Vulnerability
SecurityTracker: 1039830

Entryinfo

Created: 11/16/2017 17:45
Updated: 01/24/2021 07:47
Changes: 11/16/2017 17:45 (60), 12/07/2019 08:29 (4), 01/24/2021 07:44 (2), 01/24/2021 07:47 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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