VDB-76411 · CVE-2015-4236 · BID 75703

Cisco Email Security Appliance 8.5.6-073/8.5.6-074/9.0.0-461 Clustering resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Email Security Appliance 8.5.6-073/8.5.6-074/9.0.0-461. Impacted is an unknown function of the component Clustering Handler. This manipulation causes resource management. This vulnerability is handled as CVE-2015-4236. There is not any exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Cisco Email Security Appliance 8.5.6-073/8.5.6-074/9.0.0-461 (Anti-Malware Software). Affected by this vulnerability is some unknown processing of the component Clustering Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Cisco AsyncOS on Email Security Appliance (ESA) devices with software 8.5.6-073, 8.5.6-074, and 9.0.0-461, when clustering is enabled, allows remote attackers to cause a denial of service (clustering and SSH outage) via a packet flood, aka Bug IDs CSCur13704 and CSCuq05636.

The weakness was released 07/10/2015 with Cisco as CSCur13704 / CSCuq05636 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2015-4236 since 06/04/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/31/2022).

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 75703†) and Vulnerability Center (SBV-52844†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 103403
OpenVAS Name: Cisco AsyncOS for Email Security Appliance Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/04/2015 🔍
07/10/2015 +36 days 🔍
07/10/2015 +0 days 🔍
07/10/2015 +0 days 🔍
07/10/2015 +0 days 🔍
07/12/2015 +2 days 🔍
09/21/2015 +71 days 🔍
05/31/2022 +2444 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCur13704 / CSCuq05636
Organization: Cisco
Status: Confirmed

CVE: CVE-2015-4236 (🔍)
GCVE (CVE): GCVE-0-2015-4236
GCVE (VulDB): GCVE-100-76411
SecurityFocus: 75703 - Cisco AsyncOS for Email Security and Web Security Appliances Denial of Service Vulnerability
SecurityTracker: 1032855
Vulnerability Center: 52844 - Cisco AsyncOS for ESA and WSA Remote DoS Vulnerability in Clustering and SSH Outage, Medium

Entryinfo

Created: 07/12/2015 17:20
Updated: 05/31/2022 08:30
Changes: 07/12/2015 17:20 (55), 01/02/2018 10:16 (8), 05/31/2022 08:30 (3)
Complete: 🔍
Cache ID: 216::103

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

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