SSRF in Open Bmcs Openbmcs
CVE-2021-47703
OpenBMCS 2.4 contains an unauthenticated SSRF vulnerability that allows attackers to bypass firewalls and initiate service and network enumeration on the internal network through the affected application, allowing hijacking of current sessions. Attackers can specify an external domain in the 'ip' parameter to force the application to make an HTTP request to an arbitrary destination host.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Open Bmcs Openbmcs — versions 2.4
- Openbmcs — versions 2.4
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50670 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.openbmcs.com (Product, product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5694.php (Exploit, Third Party Advisory, third-party-advisory)
- www.vulncheck.com/advisories/openbmcs-server-side-request-forgery-ssrf-via-phpq… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2021-47703?
- CVE-2021-47703 is a high-severity vulnerability in Open Bmcs Openbmcs, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.2/10. Published 2025-12-09.
- How severe is CVE-2021-47703?
- High severity. CVSS v3 base score is 7.2 out of 10.