CVE-2018-6562 json
totemomail Encryption Gateway before 6.0_b567 allows remote attackers to obtain sensitive information about user sessions and encryption ke…
published 2018-05-18 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18312
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
totemomail Encryption Gateway before 6.0_b567 allows remote attackers to obtain sensitive information about user sessions and encryption key material via a JSONP hijacking attack.
Patch / fix
- totemo totemomail_encryption_gateway 6.0.0_b567
Exploit prediction
0.69% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
securityfocus.com
/archive/1/542016/100/0/threaded
mailing-list
-
packetstormsecurity.com
/files/147637/Totemomail-Encryption-Gateway-6.0.0_Build_371-JSONP-Hijacking.html
technical-description, third-party-advisory, vdb-entry
-
compass-security.com
/fileadmin/Datein/Research/Advisories/CSNC-2018-002_totemo_json_hijacking.txt
technical-description, third-party-advisory
Sources
- CVE List CVE-2018-6562
- NVD CVE-2018-6562
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.