CVE-2018-6562
totemomail Encryption Gateway before 6.0_b567 allows remote attackers to obtain sensitive...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-6562- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-6562- Updated
- 2026-11-02
EUVDEUVD-2018-18312 No score
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.
- Record
EUVD-2018-18312- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cxq5-vr92-3r5q
totemomail Encryption Gateway before 6.0_b567 allows remote attackers to obtain sensitive...
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.
- Record
GHSA-cxq5-vr92-3r5q- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-345
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-6562 is a high vulnerability (CVSS 7.5) in Totemo Totemomail Encryption Gateway, published May 18, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 52nd percentile. No source names a fixed version.
References
securityfocus.com/archive/1/542016/100/0/threaded
packetstormsecurity.com/files/147637/Totemomail-Encryption-Gateway-6.0.0_Build_371-JSONP-Hijacking.html
compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-002_totemo_json_hijacking.txt
nvd.nist.gov/vuln/detail/CVE-2018-6562
github.com/advisories/GHSA-cxq5-vr92-3r5q