CVE-2018-13376 json
An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaime…
published 2018-11-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5320
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaimer response web pages, potentially causing sensitive data to be displayed in the HTTP response.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
2.12% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- herolab.usd.de https://herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180031.txt referenced PoC, tagged "exploit" by a source, unverified
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 |
Affected products
- Fortinet, Inc. Fortinet FortiOS
Classification
- Technology feeds
References
-
herolab.usd.de
/wp-content/uploads/sites/4/2018/12/usd20180031.txt
exploit, third-party-advisory
-
fortiguard.com
/advisory/FG-IR-18-325
vendor-advisory
-
securityfocus.com
/bid/106036
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-13376
- NVD CVE-2018-13376
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.