CVE-2021-41973
What it is
In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of service disruption.
- Exploit odds
- 4.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.6% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.6% · EPSS, next 30 days
- Weakness
- CWE-835
- Record status
- Modified
Affected
- Apache Mina < 2.0.22
- Apache Mina < 2.1.5
- Oracle Banking Payments 14.5
- Oracle Banking Trade Finance Process Management 14.5
- Oracle Banking Treasury Management 14.5
- Oracle Communications Cloud Native Core Console 1.9.0
- Oracle Customer Management And Segmentation Foundation 18.0
- Oracle Customer Management And Segmentation Foundation 19.0
Attack profile CVSS 3.1 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-41973.md and follow it. Check whether this project is affected by CVE-2021-41973. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2021/11/01/2
- https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html
- http://www.openwall.com/lists/oss-security/2021/11/01/2
- https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html
References
- http://www.openwall.com/lists/oss-security/2021/11/01/2
- http://www.openwall.com/lists/oss-security/2021/11/01/8
- https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html
- http://www.openwall.com/lists/oss-security/2021/11/01/2
- http://www.openwall.com/lists/oss-security/2021/11/01/8
- https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E
- https://www.oracle.com/security-alerts/cpuapr2022.html