CVE-2020-13935

HIGHCVSS 7.5/10EPSS 87.55%

Last modified

CVE-2020-13935 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. EPSS estimates a 87.55% chance of exploitation in the next 30 days.

Description

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
87.55%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ApacheTomcat>= 7.0.27, <= 7.0.104
ApacheTomcat>= 8.5.0, <= 8.5.56
ApacheTomcat>= 9.0.1, <= 9.0.36
ApacheTomcat9.0.0Milestone1
ApacheTomcat10.0.0Milestone1
DebianDebian Linux9.0
DebianDebian Linux10.0
NetappOncommand System Manager>= 3.0.0, <= 3.1.3
OpensuseLeap15.1
OpensuseLeap15.2
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux20.04
McafeeEpolicy Orchestrator5.9.0
McafeeEpolicy Orchestrator5.9.1
McafeeEpolicy Orchestrator5.10.0
OracleAgile Engineering Data Management6.2.1.0
OracleAgile Plm9.3.3
OracleAgile Plm9.3.5
OracleAgile Plm9.3.6
OracleBlockchain Platform< 21.1.2
OracleCommerce Guided Search11.3.2
OracleCommunications Cloud Native Core Policy1.14.0
OracleCommunications Instant Messaging Server10.0.1.5.0
OracleFmw Platform12.2.1.3.0
OracleFmw Platform12.2.1.4.0
OracleInstantis Enterprisetrack17.1
OracleInstantis Enterprisetrack17.2
OracleInstantis Enterprisetrack17.3
OracleManaged File Transfer12.2.1.3.0
OracleManaged File Transfer12.2.1.4.0
OracleMysql Enterprise Monitor<= 8.0.21
OracleSiebel Ui Framework<= 20.12
OracleWorkload Manager12.2.0.1
OracleWorkload Manager18c
OracleWorkload Manager19c

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-13935?
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.
How severe is CVE-2020-13935?
CVE-2020-13935 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 87.55% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13935?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13935?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST