Cisco Secure Access Control System up to 5.4.0.46.3 Packet Saturation input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Cisco Secure Access Control System up to 5.4.0.46.3 and classified as problematic. This affects an unknown part of the component Packet Saturation Handler. Performing a manipulation results in input validation. This vulnerability was named CVE-2013-5536. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Secure Access Control System up to 5.4.0.46.3 (Network Management Software). This affects an unknown part of the component Packet Saturation Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

Cisco Secure Access Control System (ACS) does not properly implement an incoming-packet firewall rule, which allows remote attackers to cause a denial of service (process crash) via a flood of crafted packets, aka Bug ID CSCui51521.

The weakness was presented 10/22/2013 as CSCui51521 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2013-5536 since 08/22/2013. 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 05/15/2018).

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 OSVDB (98882†) and Secunia (SA55439†). Further details are available at tools.cisco.com. See VDB-11344 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

08/22/2013 🔍
10/22/2013 +61 days 🔍
10/24/2013 +2 days 🔍
10/24/2013 +0 days 🔍
12/03/2013 +40 days 🔍
05/15/2018 +1624 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCui51521
Status: Confirmed

CVE: CVE-2013-5536 (🔍)
GCVE (CVE): GCVE-0-2013-5536
GCVE (VulDB): GCVE-100-11343
Secunia: 55439 - Cisco Secure Access Control System (ACS) Denial of Service Vulnerability, Less Critical
OSVDB: 98882

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 12/03/2013 11:00
Updated: 05/15/2018 10:20
Changes: 12/03/2013 11:00 (51), 05/15/2018 10:20 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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