VDB-97197 · CVE-2017-3840 · BID 96238

Cisco Secure Access Control System 5.8(2.5) Web Interface redirect

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco Secure Access Control System 5.8(2.5). Affected by this issue is some unknown functionality of the component Web Interface. Performing a manipulation results in redirect. This vulnerability is reported as CVE-2017-3840. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco Secure Access Control System 5.8(2.5) (Network Management Software). It has been classified as critical. This affects some unknown functionality of the component Web Interface. The manipulation with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web interface of the Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to redirect a user to a malicious web page, aka an Open Redirect Vulnerability. More Information: CSCvc04849. Known Affected Releases: 5.8(2.5).

The bug was discovered 02/15/2017. The weakness was disclosed 02/22/2017 as cisco-sa-20170215-acs2 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2017-3840 since 12/21/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/25/2024). MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316077 (Cisco Secure Access Control System Multiple vulnerabilities).

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 96238†) and SecurityTracker (ID 1037837†). The entries VDB-97195, VDB-97196 and VDB-97198 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
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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OpenVAS ID: 800316
OpenVAS Name: Cisco Secure Access Control System Open Redirect Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/21/2016 🔍
02/15/2017 +56 days 🔍
02/15/2017 +0 days 🔍
02/21/2017 +6 days 🔍
02/22/2017 +1 days 🔍
02/22/2017 +0 days 🔍
12/25/2024 +2863 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170215-acs2
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-3840 (🔍)
GCVE (CVE): GCVE-0-2017-3840
GCVE (VulDB): GCVE-100-97197
SecurityFocus: 96238 - Cisco Secure Access Control System CVE-2017-3840 Open Redirection Vulnerability
OSVDB: - CVE-2017-3840 - Cisco - Secure ACS - Open Redirect Issue
SecurityTracker: 1037837

See also: 🔍

Entryinfo

Created: 02/22/2017 12:01
Updated: 12/25/2024 19:42
Changes: 02/22/2017 12:01 (73), 12/25/2024 19:42 (17)
Complete: 🔍
Cache ID: 216:DD3:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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