CVE-2021-3797 json
Use of Wrong Operator in String Comparison in hestiacp/hestiacp
published 5y ago modified 4mo ago also EUVD-2021-27057
- cvss
- 4.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
Patch / fix
Is CVE-2021-3797 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/c24fb15c-3c84-45c8-af04-a660f8da388f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 4.8 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| 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
- hestiacp hestiacp/hestiacp
Classification
- Weakness
-
- CWE-597 Use of Wrong Operator in String Comparison
References
-
github.com
/hestiacp/hestiacp/commit/fc68baff4f94b59e38316f886d0ce47d337042f7
patch, third-party-advisory
-
huntr.dev
/bounties/c24fb15c-3c84-45c8-af04-a660f8da388f
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2021-3797
- NVD CVE-2021-3797
Fencer Intel 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.