CVE-2017-2342 describes a critical vulnerability in Juniper Networks Junos OS 15.1X49 prior to 15.1X49-D100 on SRX300 series devices. The MACsec feature fails to report errors when a secure link cannot be established, silently falling back to an unencrypted connection, misleading users into believing their link is secure. This vulnerability carries a high CVSS score of 8.1 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), indicating it can be exploited with low complexity over an adjacent network, leading to high confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d20:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d30:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d35:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d40:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.