CVE-2020-7856 json
A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command.
published 2021-04-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-28788
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
A vulnerability of Helpcom could allow an unauthenticated attacker to execute arbitrary command. This vulnerability exists due to insufficient authentication validation.
Patch / fix
- cnesty helpcom 11.2020
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Cnesty Helpcom
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
boho.or.kr
/krcert/secNoticeView.do?bulletin_writing_sequence=36003
third-party-advisory
Sources
- CVE List CVE-2020-7856
- NVD CVE-2020-7856
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.