Trimble Cityworks versions prior to 15.8.9 and Cityworks with office companion versions prior to 23.10 are vulnerable to a deserialization v
Cityworks before 15.8.9 and Cityworks with office companion before 23.10 are affected when deployed against a Microsoft IIS web server. Fixed in 15.8.9 and 23.10.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 15.8.9, 23.10
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Trimble Cityworks and Cityworks with Office Companion are affected by this vulnerability. An authenticated user could exploit it to run malicious code remotely on a customer's Microsoft IIS web server.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Trimble Cityworks versions prior to 15.8.9 and Cityworks with office companion versions prior to 23.10 are vulnerable to a deserialization vulnerability. This could allow an authenticated user to perform a remote code execution attack against a customer’s Microsoft Internet Information Services (IIS) web server.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Trimble Cityworks
fixed in 15.8.9
- Trimble Cityworks (with office companion)
fixed in 23.10
References 2
learn.assetlifecycle.trimble.com
Questions about CVE-2025-0994
What does this mean?
A deserialization flaw lets an authenticated user run code remotely against the customer's Microsoft Internet Information Services (IIS) web server.Source: cisa.gov
Am I affected, and how do I check?
Cityworks versions before 15.8.9 and Cityworks with office companion versions before 23.10 are in scope, and the deployment must use an IIS web server. Compare your installed Cityworks version and web server against these details.Source: cisa.gov
What should I do about it?
Upgrade to Cityworks 15.8.9 for the 15.x line or to 23.10 for the 23.x line with office companion, as released by Trimble on January 28 and January 29, 2025.Source: cisa.gov
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2025-02-07, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data