Home/CVE/blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability a
CVE

CVE-2023-26735

blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability a

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.

HIGH · CVSS 7.5 EPSS 0.00263
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-918Server-Side Request Forgery (SSRF)
CWE-918Server-Side Request Forgery (SSRF)
▤

Affected Products & Versions

1
prometheus blackbox exporterall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Apr 2023 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://blackboxexporter.comBroken Link
http://prometheus.comBroken Link
https://github.com/prometheus/blackbox_exporter#tls-and-basic-authenticationProduct
https://github.com/prometheus/blackbox_exporter/issues/1024Issue Tracking
https://github.com/prometheus/blackbox_exporter/issues/1025Issue Tracking
https://github.com/prometheus/blackbox_exporter/issues/1026Issue Tracking
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