# CVE-2023-47246

**CISA KEV** · **Ransomware**

> As of 2026-07-31, CVE-2023-47246 is a CRITICAL-severity vulnerability, CVSS v3.1 9.8, EPSS 98.8% (99.9th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-13), with a US federal remediation deadline of 2023-12-04, and CISA links it to known ransomware campaigns. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-47246, most recently “Cl0p Ransomware MFT Attack Pattern: Multi-Year Zero-Day Campaigns Against File Transfer and Enterprise Software (2020-2025)”.

**Last updated:** 2026-07-31

## What is CVE-2023-47246?

In SysAid On-Premise before 23.3.36, a path traversal vulnerability leads to code execution after an attacker writes a file to the Tomcat webroot, as exploited in the wild in November 2023.

The record classifies CVE-2023-47246 under weakness class [CWE-22](https://intel.threadlinqs.com/cwe/CWE-22). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. The identifier was first published 1065 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 98.8% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
- **CISA KEV:** Listed since 2023-11-13, federal remediation deadline 2023-12-04 — used in known ransomware campaigns
- **Threadlinqs priority:** 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
- **Published:** 2023-11-10, last modified 2026-07-31

## Is CVE-2023-47246 being exploited?

CISA added CVE-2023-47246 to the Known Exploited Vulnerabilities catalog on 2023-11-13, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2023-12-04 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2023-47246 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (`http/cves/2023/CVE-2023-47246.yaml`). It currently carries a trending score of 50 in the Threadlinqs vulnerability feed.

- [W01fh4cker/CVE-2023-47246-EXP](https://github.com/W01fh4cker/CVE-2023-47246-EXP) (github)
- [trickest/cve](https://github.com/trickest/cve/blob/main/2023/CVE-2023-47246.md) (trickest)

## Affected products and versions

No affected-product or package list has been recorded for CVE-2023-47246 in the tracked sources. The vendor advisory and the references below are the authoritative statement of what is affected.

## How to fix CVE-2023-47246

Because CVE-2023-47246 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2023-12-04. No vendor patch reference has been recorded for CVE-2023-47246 in the tracked sources. Follow the references below for a fix, and treat any affected deployment as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2023-47246

1 tracked threat in the Threadlinqs corpus references CVE-2023-47246, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Cl0p Ransomware MFT Attack Pattern: Multi-Year Zero-Day Campaigns Against File Transfer and Enterprise Software (2020-2025)](https://intel.threadlinqs.com/threat/TL-2026-3070) — HIGH · 2026-10-09

## Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [documentation.sysaid.com](https://documentation.sysaid.com/docs/on-premise-security-enhancements-2023)
- [sysaid.com](https://www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification)
- [documentation.sysaid.com (latest version installation files)](https://documentation.sysaid.com/docs/latest-version-installation-files)

Canonical: https://intel.threadlinqs.com/cve/CVE-2023-47246
Full detection coverage and IOCs for threats exploiting CVE-2023-47246 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
