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CVE-2020-7877
ZOOK solution(remote administration tool) buffer overflow vulnerability
High8.0EPSS 0.82%
- Published
- Updated
- Reserved
- Assigned by
- krcert
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| krcertCNA (assigner) | 3.1 | High8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.82% · top 43% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.
Weakness
Affected products
mastersoft · ZOOKViewer_Setup.exe
- affected 2.0.4.6 – ≤ 2.0.4.6
mastersoft · ZOOKAgentSetup.exe
- affected 2.0.6.1 – ≤ 2.0.6.1
References (1)
- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36216 (opens in a new tab)x_refsource_MISCx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-7877)Record last updated .