How severe is CVE-2020-16248?

CVE-2020-16248 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-16248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16248?

CVE-2020-16248 affects Prometheus Blackbox Exporter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16248?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-16248 published?

CVE-2020-16248 was published on 2020-08-09 and last updated on 2026-06-17.

CVE-2020-16248

CVE-2020-16248 is a medium-severity vulnerability in Prometheus Blackbox Exporter with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 5.0
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Prometheus Blackbox Exporter
Published: 2020-08-09
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2020-16248?: 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
How severe is CVE-2020-16248?: CVE-2020-16248 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-16248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16248?: CVE-2020-16248 affects Prometheus Blackbox Exporter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16248?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-16248 published?: CVE-2020-16248 was published on 2020-08-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:prometheus:blackbox_exporter:*:*:*:*:*:*:*:*

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