CVE-2018-0147 (GCVE-0-2018-0147)

Vulnerability from cvelistv5 – Published: 2018-03-08 07:00 – Updated: 2026-01-12 22:14
VLAI? CISA KEV
Summary
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.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Cisco Secure Access Control System Affected: Cisco Secure Access Control System
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: aabf762c-9f19-4366-b007-8c1576730d6c

Vulnerability ID: CVE-2018-0147

Status: Confirmed

Status Updated: 2022-03-25 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-03-25
Asserted: 2022-03-25
Scope
Notes: KEV entry: Cisco Secure Access Control System Java Deserialization Vulnerability | Affected: Cisco / Secure Access Control System (ACS) | Description: A vulnerability in Java deserialization used by Cisco Secure Access Control System (ACS) 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. | Required action: Apply updates per vendor instructions. | Due date: 2022-04-15 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2018-0147
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-20
Feed CISA Known Exploited Vulnerabilities Catalog
Product Secure Access Control System (ACS)
Due Date 2022-04-15
Date Added 2022-03-25
Vendorproject Cisco
Vulnerabilityname Cisco Secure Access Control System Java Deserialization Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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      "cveMetadata": "{\"cveId\": \"CVE-2018-0147\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-12T22:14:20.636Z\", \"dateReserved\": \"2017-11-27T00:00:00.000Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2018-03-08T07:00:00.000Z\", \"assignerShortName\": \"cisco\"}",
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      "dataVersion": "5.2"
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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.