PT-2021-15613 · Open Xchange · Ox App Suite

Published 2021-01-12 · Updated 2021-01-14 · CVE-2021-23927

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: OX App Suite versions 7.10.4 and earlier

Description: The issue allows for Server-Side Request Forgery (SSRF) via a URL with an @ character in an appsuite/api/oauth/proxy PUT request. This can potentially be exploited by sending a crafted request to the vulnerable endpoint.

Recommendations: For OX App Suite versions 7.10.4 and earlier, as a temporary workaround, consider restricting access to the appsuite/api/oauth/proxy endpoint until a patch is available. Avoid using URLs with an @ character in PUT requests to this endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-23927

Affected Products

Ox App Suite

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-23927 · Security Note
• https://osv.dev/vulnerability/CVE-2021-23927 · Vendor Advisory
• https://packetstormsecurity.com/files/160853/OX-App-Suite-OX-Documents-7.10.x-XSS-SSRF.html · Note
• https://t.me/cibsecurity/22068 · Telegram Post