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CVE-2021-4097
CRLF Injection in phpservermon/phpservermon
Medium6.3EPSS 0.87%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
phpservermon is vulnerable to Improper Neutralization of CRLF Sequences
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.87% · top 41% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
phpservermon · phpservermon/phpservermon
- affected unspecified – < 3.6.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistphpservermon/phpservermonGHSA-8qv8-fq5w-p966 (opens in a new tab)
References (2)
- https://huntr.dev/bounties/d617ced7-be06-4e34-9db0-63d45c003a43 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/phpservermon/phpservermon/commit/162bba0046fcda1580f4fbc7b9ababe3c7c13ce4 (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 Advisory GHSA-8qv8-fq5w-p966 (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-2021-4097)Record last updated .