How severe is CVE-2023-28370?

CVE-2023-28370 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-28370 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28370?

CVE-2023-28370 affects Tornadoweb Tornado. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28370?

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

When was CVE-2023-28370 published?

CVE-2023-28370 was published on 2023-05-25 and last updated on 2026-06-17.

CVE-2023-28370

CVE-2023-28370 is a medium-severity vulnerability in Tornadoweb Tornado with a CVSS 3.x base score of 6.1. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Tornadoweb Tornado
Published: 2023-05-25
Last modified: 2026-06-17

Description

Open redirect vulnerability in Tornado versions 6.3.1 and earlier allows a remote unauthenticated attacker to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL.

Frequently asked questions

What is CVE-2023-28370?: Open redirect vulnerability in Tornado versions 6.3.1 and earlier allows a remote unauthenticated attacker to redirect a user to an arbitrary web site and conduct a phishing attack by having user access a specially crafted URL.
How severe is CVE-2023-28370?: CVE-2023-28370 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-28370 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28370?: CVE-2023-28370 affects Tornadoweb Tornado. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28370?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28370 published?: CVE-2023-28370 was published on 2023-05-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tornadoweb:tornado:*:*:*:*:*:*:*:*

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