CVE-2020-5401: cloud foundry routing Return of Wrong Status Code
CVSS: 5.3v3.0MediumModified
Published 27-02-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-5401 is a medium (CVSS 5.3) Return of Wrong Status Code vulnerability in cloud foundry routing. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.3% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (CVE.org)EPSS score
1.04%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-02-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Cloud Foundry Routing Release, versions prior to 0.197.0, contains GoRouter, which allows malicious clients to send invalid headers, causing caching layers to reject subsequent legitimate clients trying to access the app.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.04% on 19-09-2026
19-09-202619-10-2026
EPSS score1.04%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-393Return of Wrong Status CodeA function or operation returns an incorrect return value or status code that does not indicate the true result of execution, causing the product to modify its behavior based on the incorrect result.
- CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
Affected systems
Cloud foundry1 product
- routing≥ unspecified, < 0.197.0
Cloudfoundry1 product
- routing_release< 0.197.0
2 vendors · 2 products