CVE-2021-3797
Use of Wrong Operator in String Comparison in hestiacp/hestiacp
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.8
Use of Wrong Operator in String Comparison in hestiacp/hestiacp
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
- Record
CVE-2021-3797- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-597
- Updated
- 2026-11-02
EUVDEUVD-2021-27057
4.8
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
- Record
EUVD-2021-27057- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pmfm-r4ww-m6w9 No score
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
- Record
GHSA-pmfm-r4ww-m6w9- Updated
- 2026-11-02
NVD
9.8
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
- Record
CVE-2021-3797- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-597
- Updated
- 2026-11-02
OSV
9.8
hestiacp is vulnerable to Use of Wrong Operator in String Comparison
- Record
CVE-2021-3797- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3797 is a medium vulnerability (CVSS 4.8) in Hestiacp Hestiacp/hestiacp, published September 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 66th percentile. No source names a fixed version.