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CVE-2018-17540
The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.
- 7.5HighCVSS base score
- 3.5%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.
Timeline
ID reserved
By mitre
- 7 days later
· 7 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.5% · top 11% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
9
- DSA-4309 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20181002 [SECURITY] [DLA 1528-1] strongswan security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.strongswan.org/blog/2018/10/01/strongswan-vulnerability-%28cve-2018-17540%29.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3774-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://download.strongswan.org/security/CVE-2018-17540/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201811-16 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- openSUSE-SU-2019:2594 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:2598 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:0403 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-9293 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2018-17540)Record last updated .