SSRF in Prometheus Blackbox Exporter
CVE-2023-26735
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.009 (55.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Prometheus Blackbox_exporter — versions 0.23.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
- af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Issue Tracking)
- cve@mitre.org (Product)
Frequently asked questions
- What is CVE-2023-26735?
- CVE-2023-26735 is a high-severity vulnerability in Prometheus Blackbox Exporter, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2023-04-26.
- How severe is CVE-2023-26735?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-26735 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.