CVE-2024-8963: Ivanti exploited

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

What it is

Path Traversal in the Ivanti CSA before 4.6 Patch 519 allows a remote unauthenticated attacker to access restricted functionality.

Description quoted from the CVE record (assigned by ivanti, published 2024-09-19).

Weakness: CWE-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’)

How it can be exploited

Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: confidentiality high, integrity high, availability low. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.

On CISA KEV since: 2024-09-19
US federal deadline: 2024-10-10
Ransomware use: Not known

Public exploit evidence (Exploit Observer)

Exploit Observer found 1 Nuclei template and 6 code repositories naming this CVE.

Nuclei template (ProjectDiscovery)

Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.

See all 16 references on Exploit Observer

Live scores

EPSS: 0.986
very likely to be attacked soon
VEDAS: 0.978
strong exploit evidence
On CISA KEV: Yes, since 2024-09-19
Detection rule: Nuclei · Suricata

EPSS (chance of attack)

VEDAS (exploit evidence)

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

Product	Affected	Not affected
Ivanti CSA (Cloud Services Appliance)	Not stated	4.6 Patch 519 is not affected; 5.0 is not affected

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

How to fix it

CISA required action: As Ivanti CSA has reached End-of-Life status, users are urged to remove CSA 4.6.x from service or upgrade to the 5.0.x line of supported solutions, as future vulnerabilities on the 4.6.x version of CSA are unlikely to receive security updates.

Vendor guidance:

How to detect it

Nuclei template (active check)

Ivanti CSA - Path Traversal
Path Traversal in the Ivanti CSA before 4.6 Patch 519 allows a remote unauthenticated attacker to access restricted functionality.

Name and description quoted from the template, written by VEDAS.

The template sends 1 request (GET /client/index.php%3F.php/gsb/users.php); it decides using status, word matchers. Severity in the template: critical. Marked as not yet verified against a live vulnerable target.

Run it against a host you own or are authorised to test:

bash

nuclei -u https://your-host -t CVE-2024-8963.yaml

Show the template (38 lines)

yaml

id: CVE-2024-8963

info:
  name: "Ivanti CSA - Path Traversal"
  author: vedas-arpsyndicate
  severity: critical
  description: |
    Path Traversal in the Ivanti CSA before 4.6 Patch 519 allows a remote unauthenticated attacker to access
    restricted functionality.
  reference:
    - https://www.exploit.observer/?keyword=CVE-2024-8963&match=exact
    - https://subdomain.center/?engine=ammonites&keyword=ivanti&match=exact
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2024-8963
    cwe-id: CWE-22
  metadata:
    verified: false
  tags: cve,cve2024,ivanti,kev,vkev,vuln
http:
  - method: GET
    path:
      - "{{BaseURL}}/client/index.php%3F.php/gsb/users.php"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "Ivanti Cloud Services Appliance"
          - "User name"
          - "Set Password"
        condition: and

      - type: status
        status:
          - 200

CVE-2024-8963.yaml on GitHub

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2024-8963 Ivanti CSA - Path Traversal. Add them to your Suricata rule set and reload.

Show the rules

suricata

alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2024-8963 Ivanti CSA - Path Traversal"; flow:established,to_server; http.uri; content:"/client/index.php%3F.php/gsb/users.php"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2024-8963; reference:url,https://www.exploit.observer/?keyword=CVE-2024-8963&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=ivanti&match=exact; sid:1009284; rev:1;)

CVE-2024-8963.rules on GitHub

Advisories on this CVE

QTFY: FBI disrupts China-linked “digital quartermaster” botnet and obfuscation network (26 Aug 2026)

References

Government sources

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-8963 (government-resource)

Other references

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-CSA-4-6-Cloud-Services-Appliance-CVE-2024-8963

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.