CVE-2020-7877 json
ZOOK solution(remote administration tool) buffer overflow vulnerability
published 5y ago modified 4mo ago also EUVD-2020-28809
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
A buffer overflow issue was discovered in ZOOK solution(remote administration tool) through processing 'ConnectMe' command while parsing a crafted OUTERIP value because of missing boundary check. This vulnerability allows the attacker to execute remote arbitrary command.
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0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- mastersoft ZOOKViewer_Setup.exe
- mastersoft ZOOKAgentSetup.exe
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
boho.or.kr
/krcert/secNoticeView.do?bulletin_writing_sequence=36216
third-party-advisory
Sources
- CVE List CVE-2020-7877
- NVD CVE-2020-7877
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