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PatchSiren cyber security CVE debrief

CVE-2023-49103 ownCloud CVE debrief

CVE-2023-49103 is a CISA Known Exploited Vulnerabilities entry affecting ownCloud graphapi. The public records provided here describe it as an information disclosure vulnerability, and CISA’s note points to vendor guidance about disclosure of sensitive credentials and configuration in containerized deployments. Because CISA added it to KEV on 2023-11-30 with a remediation due date of 2023-12-21, defenders should treat this as urgent and verify whether any ownCloud graphapi deployment is exposed.

Vendor
ownCloud
Product
ownCloud graphapi
CVSS
CRITICAL 10
CISA KEV
Listed
Original CVE published
2023-11-30
Original CVE updated
2023-11-30
Advisory published
2023-11-30
Advisory updated
2023-11-30

Who should care

Security teams, platform teams, and administrators running ownCloud graphapi should prioritize this issue, especially if deployments are containerized or handle sensitive credentials and configuration.

Technical summary

The supplied sources identify CVE-2023-49103 as an ownCloud graphapi information disclosure vulnerability. CISA lists it in the Known Exploited Vulnerabilities catalog, which signals actionable risk and requires prompt mitigation. The CISA entry references ownCloud’s advisory about disclosure of sensitive credentials and configuration in containerized deployments, but the supplied corpus does not provide additional technical detail such as affected versions, exploit mechanics, or a CVSS score.

Defensive priority

Immediate

Recommended defensive actions

  • Inventory all ownCloud graphapi deployments, including containerized instances.
  • Review the vendor advisory referenced by CISA and apply all mitigations per vendor instructions.
  • If mitigations are unavailable, discontinue use of the product or isolate affected deployments until remediation is complete.
  • Check for any exposure of credentials or configuration data in environments that may have been affected.
  • Track remediation against the CISA KEV due date and confirm closure in vulnerability management records.

Evidence notes

CISA’s KEV catalog entry for CVE-2023-49103, published 2023-11-30, identifies ownCloud graphapi as the affected product, classifies the issue as an information disclosure vulnerability, and sets a mitigation due date of 2023-12-21. The CISA metadata cites an ownCloud security advisory and NVD as supporting references. The supplied corpus does not include a CVSS score or version range.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-49103 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-49103

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-49103 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-49103

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.