CVE-2018-0691 describes a critical vulnerability in multiple versions of the +Message App for Android and iOS across Softbank, NTT DOCOMO, and KDDI, where the applications fail to properly validate X.509 certificates from SSL servers. This oversight allows man-in-the-middle attackers to spoof legitimate servers using crafted certificates. With a CVSS score of 5.9 (Medium), this vulnerability has a high confidentiality impact, enabling attackers to obtain sensitive user information, although it requires high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, indicating a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.6CPE matchmatch criteria | cpe:2.3:a:kddi:\+_message:*:*:*:*:*:*:*:* | ||
< 42.40.2800CPE matchmatch criteria | cpe:2.3:a:ntttocomo:\+_message:*:*:*:*:*:*:*:* | ||
< 10.1.7CPE matchmatch criteria | cpe:2.3:a:softbank:\+_message:*:*:*:*:*:*:*:* | ||
< 1.1.23CPE matchmatch criteria | cpe:2.3:a:kddi:\+_message:*:*:*:*:*:*:*:* | ||
< 1.1.23CPE matchmatch criteria | cpe:2.3:a:ntt_tocomo:\+_message:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.