Is CVE-2023-49103 actively exploited?

Yes. CVE-2023-49103 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2023-49103 be exploited remotely?

The attack vector of CVE-2023-49103 has not been classified yet.

What is the CVSS score of CVE-2023-49103?

CVE-2023-49103 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2023-49103

HIGHCISA KEVIN THE WILD

CVE-2023-49103

Published: November 30, 2023

EPSS:94.33%probability of exploitation in 30 daysPercentile:99.9th

Official Description

ownCloud graphapi contains an information disclosure vulnerability that can reveal sensitive data stored in phpinfo() via GetPhpInfo.php, including administrative credentials.

NVD Source

CISA KEV Advisory

ownCloud graphapi Information Disclosure Vulnerability

ownCloud graphapi contains an information disclosure vulnerability that can reveal sensitive data stored in phpinfo() via GetPhpInfo.php, including administrative credentials.

Added to KEV: 2023-11-30Federal patch deadline: 2023-12-21

Required Action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Risk Analysis

ownCloud graphapi has an information disclosure vulnerability that can reveal sensitive data, including administrative credentials, via phpinfo() through GetPhpInfo.php. The high EPSS score of 0.94329 indicates a very high likelihood of exploitation, making this a critical concern. This vulnerability is confirmed as exploited by CISA.

This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. The exposure of phpinfo() via a web endpoint makes it remotely exploitable.

Recommended Action

Apply the latest security updates for ownCloud graphapi to address this information disclosure. Ensure that sensitive configuration files and diagnostic pages like phpinfo() are not publicly accessible.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-49103 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-49103 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.