VulnerabilityModified
CVE-2020-9494
Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.
HIGH 7.5EPSS 3.98%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.98% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- apache/traffic server · debian/debian linux
- Source
- security@apache.org
References
- http://www.openwall.com/lists/oss-security/2021/03/01/2Not Applicable
- https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3EMailing List, Vendor Advisory
- https://www.debian.org/security/2020/dsa-4710Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/03/01/2Not Applicable
- https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3EMailing List, Vendor Advisory
- https://www.debian.org/security/2020/dsa-4710Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.