Security readout for executives and security teams
Plain-English summary
Synology Contacts has a medium-severity cross-site scripting issue in its contact functionality. A logged-in attacker could use unspecified vectors, with user interaction, to read or write certain files containing non-sensitive information. The public sources do not describe the exact attack path.
Executive priority
Treat this as a moderate patching item. Prioritize sooner for externally reachable Synology Contacts instances or environments with many low-trust authenticated users. It does not currently justify emergency response based on the supplied evidence.
Technical view
CVE-2025-13167 is CWE-79 in Synology Contacts before 1.0.10-20659. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to organizations running Synology Contacts versions before 1.0.10-20659. Risk is higher where Contacts is reachable by many authenticated users or exposed beyond trusted networks.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV. Exploitation requires authentication and user interaction. The specific vectors are not public in the supplied bundle.
Researcher notes
The advisory identifies XSS in contact functionality but leaves vectors unspecified. Validation should focus on version confirmation, exposure mapping, and monitoring rather than attempting reproduction without vendor details. Do not assume sensitive file compromise from the supplied description.
Mitigation direction
- Upgrade Synology Contacts to version 1.0.10-20659 or later.
- Check Synology's advisory for deployment-specific update guidance.
- Limit Synology Contacts access to trusted authenticated users.
- Reduce external exposure where business requirements allow.
- Monitor Synology advisories for additional details or revisions.
Validation and detection
- Inventory all Synology Contacts deployments and record installed versions.
- Confirm each deployment is at 1.0.10-20659 or later.
- Review whether Contacts is reachable from untrusted networks.
- Check access logs for unusual authenticated activity around Contacts.
- Verify privileged file access was not unexpectedly changed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-13167 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7synologyVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Synology-SA-25:13 Synology ContactsCVE reference, synology · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.