CVE-2017-5640 describes a critical authentication bypass vulnerability in Apache Impala versions 2.7.0 to 2.8.0 when Kerberos is enabled but TLS is not. A malicious process impersonating an Impala daemon could trick clients into skipping authentication checks by prematurely sending a 'COMPLETE' response during the SASL handshake. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating a network-exploitable flaw with low attack complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.7.0CPE matchmatch criteria | cpe:2.3:a:apache:impala:2.7.0:*:*:*:*:*:*:* | ||
2.8.0CPE matchmatch criteria | cpe:2.3:a:apache:impala:2.8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.