Medium severity · published May 25, 2023
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…
6.1
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tornado · Tornadoweb
before 6.3.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28370
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28370
Product
https://github.com/tornadoweb/tornado/releases/tag/v6.3.2
Third Party Advisory
https://jvn.jp/en/jp/JVN45127776/
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/01/msg00000.html
More from Tornado
7.7
CVE-2026-49853
Tornado: Authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient
7.5
CVE-2026-103262
Tornado before 6.5.9 Denial of Service via CurlAsyncHTTPClient
7.5
CVE-2026-91990
Tornado before 6.5.8 Memory Amplification DoS via multipart
7.5
CVE-2024-14029
Tornado before 6.4.1 HTTP Request Smuggling via Transfer-Encoding
7.5
CVE-2023-54397
Tornado before 6.3.3 HTTP Request Smuggling via Content-Length