CVE-2018-5202
SKCertService 2.5.5 and earlier contains a vulnerability that could allow remote attacker to execute arbitrary code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
SKCertService 2.5.5 and earlier contains a vulnerability that could allow remote attacker to execute arbitrary code. This vulnerability exists due to the way .dll files are loaded by SKCertService. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.55% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- signkorea/skcertservice
- Source
- vuln@krcert.or.kr
EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=30119Third Party Advisory
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=30119Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.