Improper input validation in Cisco Wide Area Application Services
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) 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).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.022 (81.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Cisco Wide Area Application Services — versions 6.3\(1\), 6.3(1)
- Cisco Wide Area Application Services — versions Cisco Wide Area Application Services
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621… (Vendor Advisory)
- www.securitytracker.com/id/1038747 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/99200 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-6721?
- CVE-2017-6721 is a medium-severity vulnerability in Cisco Wide Area Application Services, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-07-04.
- How severe is CVE-2017-6721?
- Medium severity. CVSS v3 base score is 5.3 out of 10.