CVE-2017-6721
A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS)…
Does this matter?
Lower severity and a low EPSS score (2.20%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability in the ingress processing of fragmented TCP packets by Cisco Wide Area Application Services (WAAS) could allow an unauthenticated, remote attacker to cause the WAASNET process to restart unexpectedly, causing a denial of service (DoS) condition. More Information: CSCvc57428. Known Affected Releases: 6.3(1). Known Fixed Releases: 6.3(0.143) 6.2(3c)6 6.2(3.22).
- CVSS 3.0
- 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 2.20% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- cisco/wide area application services
- Source
- psirt@cisco.com
References
- http://www.securityfocus.com/bid/99200Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038747Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waasVendor Advisory
- http://www.securityfocus.com/bid/99200Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038747Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-waasVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.