CVE-2018-5243 json
The Symantec Encryption Management Server (SEMS) product, prior to version 3.4.2 MP1, may be susceptible to a denial of service (DoS) explo…
published 2018-08-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17025
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
The Symantec Encryption Management Server (SEMS) product, prior to version 3.4.2 MP1, may be susceptible to a denial of service (DoS) exploit. A DoS attack is a type of attack whereby the perpetrator attempts to make a particular machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a specific host within a network.
Exploit prediction
1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
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:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Symantec Corporation Symantec Encryption Management Server (SEMS)
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
support.symantec.com
/en_US/article.SYMSA1458.html
mitigation, vendor-advisory
-
securitytracker.com
/id/1041527
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/105062
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-5243
- NVD CVE-2018-5243
Fencer Intel 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.