CVE-2020-16248 Server-side request forgery in n/a
Attackers can exploit Server-Side Request Forgery in Prometheus Blackbox Exporter to access internal resources via the probe target parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-16248?
CVE-2020-16248 is a medium-severity server-side request forgery vulnerability in n/a, published on 9 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Prometheus Blackbox Exporter through 0.17.0 allows /probe?target= SSRF. NOTE: follow-on discussion suggests that this might plausibly be interpreted as both intended functionality and also a vulnerability
Weakness: CWE-918
Which versions are affected by CVE-2020-16248?
It affects 1 product.
Products include Prometheus Blackbox Exporter.
How do I fix CVE-2020-16248?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2020-16248 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-16248 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as CLEANSTART-2026-QQ16629, DEBIAN-CVE-2020-16248, GHSA-8jrj-57gq-475g.