Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-49788 is a high-severity Path Traversal (CWE-22) vulnerability in Collaboraoffice Richdocumentscode. Its CVSS base score is 7.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked at the 41th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-53707
Vulnerability Data
Collabora Online is a collaborative online office suite based on LibreOffice technology. Unlike a standalone dedicated Collabora Online server, the Built-in CODE Server (richdocumentscode) is run without chroot sandboxing. Vulnerable versions of the richdocumentscode app can be susceptible to attack…
more
via modified client->server commands to overwrite files outside the sub directory the server has provided for the transient session. Files which can be accessed are limited to those that the server process has access to. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.602. Users are advised to upgrade. There are no known workarounds for this vulnerability.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V5.3.2
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Establishes and maintains trust boundaries with external organizations before allowing their systems to interact with organization resources.
Prevents information from crossing trust boundaries without explicit approved authorizations.
Defining interfaces, controls, and trust responsibilities in agreements helps prevent violations of trust boundaries during data exchanges.
Authorizing and reviewing connections helps maintain proper trust boundaries between internal components.
Controlling media movement outside controlled areas maintains separation between internal and external trust boundaries.
Review of inter-system matching programs identifies and corrects trust-boundary violations before data crosses organizational or policy domains.
Defines explicit trust boundaries for PII use via documented purposes and prevents processing outside those boundaries.
Explicitly binding attributes to information crossing trust boundaries prevents loss of security context that leads to trust-boundary violations.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Documented data-flow representations make trust boundaries explicit and help surface mixing of trusted/untrusted data.
Logical segmentation and access controls enforce separation between trust domains, reducing the chance of co-mingled data structures.
Patching/maintenance can remediate known path-traversal flaws in deployed software (partial prevention of exploitability) but does nothing to stop the coding defect from being introduced in the first place.
Secure-development practices (coding standards, reviews, validation) directly prevent mixing trusted and untrusted data inside the same structures.
PR.AA-05 defines and reviews access policies but does not address code-level pathname neutralization, so neither direction prevents CWE-22.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.