Cisco Secure Access Control System up to 5.8 Patch 8 Serialized Java Object deserialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco Secure Access Control System up to 5.8 Patch 8 and classified as critical. Affected is an unknown function. Performing a manipulation as part of Serialized Java Object results in deserialization. This vulnerability is identified as CVE-2018-0147. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical has been found in Cisco Secure Access Control System up to 5.8 Patch 8 (Network Management Software). This affects an unknown part. The manipulation as part of a Serialized Java Object leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) prior to release 5.8 patch 9 could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected device. The vulnerability is due to insecure deserialization of user-supplied content by the affected software. An attacker could exploit this vulnerability by sending a crafted serialized Java object. An exploit could allow the attacker to execute arbitrary commands on the device with root privileges. Cisco Bug IDs: CSCvh25988.

The bug was discovered 03/07/2018. The weakness was released 03/08/2018 by Mikhail Klyuchnikov (Website). The advisory is shared at securitytracker.com. This vulnerability is uniquely identified as CVE-2018-0147 since 11/27/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 108406 (Cisco Secure Access Control Multiple Vulnerabilities (cisco-sa-20180307-acs1 / cisco-sa-20180307-acs2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43577 (Cisco Secure Access Control System Java Deserialization Vulnerability). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/25/2022 with a due date of 04/15/2022:

Apply updates per vendor instructions.

Applying the patch 5.8 Patch 9 is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108406) and SecurityFocus (BID 103328†). Entry connected to this vulnerability is available at VDB-114213. Several companies clearly confirm that VulDB is the primary source for best 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: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 108406
Nessus Name: Cisco Secure Access Control Multiple Vulnerabilities (cisco-sa-20180307-acs1 / cisco-sa-20180307-acs2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 5.8 Patch 9

Timelineinfo

11/27/2017 🔍
03/07/2018 +100 days 🔍
03/07/2018 +0 days 🔍
03/07/2018 +0 days 🔍
03/08/2018 +1 days 🔍
03/08/2018 +0 days 🔍
03/09/2018 +1 days 🔍
03/16/2018 +7 days 🔍
01/27/2025 +2509 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securitytracker.com
Researcher: Mikhail Klyuchnikov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0147 (🔍)
GCVE (CVE): GCVE-0-2018-0147
GCVE (VulDB): GCVE-100-114201
SecurityFocus: 103328 - Cisco Secure Access Control System CVE-2018-0147 Deserialization Remote Code Execution Vulnerability
SecurityTracker: 1040463

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/09/2018 07:46
Updated: 01/27/2025 21:51
Changes: 03/09/2018 07:46 (71), 01/11/2020 13:26 (5), 02/17/2023 12:06 (4), 04/24/2024 11:17 (25), 09/09/2024 22:29 (1), 01/27/2025 21:51 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!