CRLF injection vulnerability in the header function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors related to non-whitespace characters preceded by newline characters, a different vulnerability than CVE-2010-2761 and CVE-2010-3172.
Conclusion & alert: CVE-2010-4410 is rated Moderate Risk (42.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.84%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-25 | 1.19% | 0.84% | -0.35% |
| 2 | 2025-03-30 | 1.66% | 1.19% | -0.47% |
| 3 | 2025-03-29 | — | 1.66% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2010-4410 not yet assigned priority: Debian including 3 source packages (libcgi-pm-perl, libcgi-simple-perl, perl), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. | https://security-tracker.debian.org/tracker/CVE-2010-4410 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2010-4410 |
suse
|
medium | CVE-2010-4410 severity moderate: SUSE including 60 source package names (perl-32bit-5.10.0-64.55.1, perl-32bit-5.10.0-64.67.52, …), 99 product×package rows across 27 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (27 product lines)): Fixed 99. | https://www.suse.com/security/cve/CVE-2010-4410/ |
ubuntu
|
medium | CVE-2010-4410 medium priority: Ubuntu including 3 source packages (libcgi-pm-perl, libcgi-simple-perl, perl), 36 status rows across 12 suites (dapper, hardy, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): not-affected 18, ignored 9, released 7, DNE 2. | https://ubuntu.com/security/CVE-2010-4410 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| andy_armstrong | cgi.pm | <= 3.49 | cpe:2.3:a:andy_armstrong:cgi.pm:*:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.4 | cpe:2.3:a:andy_armstrong:cgi.pm:1.4:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.42 | cpe:2.3:a:andy_armstrong:cgi.pm:1.42:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.43 | cpe:2.3:a:andy_armstrong:cgi.pm:1.43:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.44 | cpe:2.3:a:andy_armstrong:cgi.pm:1.44:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.45 | cpe:2.3:a:andy_armstrong:cgi.pm:1.45:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.50 | cpe:2.3:a:andy_armstrong:cgi.pm:1.50:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.51 | cpe:2.3:a:andy_armstrong:cgi.pm:1.51:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.52 | cpe:2.3:a:andy_armstrong:cgi.pm:1.52:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.53 | cpe:2.3:a:andy_armstrong:cgi.pm:1.53:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.54 | cpe:2.3:a:andy_armstrong:cgi.pm:1.54:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.55 | cpe:2.3:a:andy_armstrong:cgi.pm:1.55:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.56 | cpe:2.3:a:andy_armstrong:cgi.pm:1.56:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 1.57 | cpe:2.3:a:andy_armstrong:cgi.pm:1.57:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.0 | cpe:2.3:a:andy_armstrong:cgi.pm:2.0:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.01 | cpe:2.3:a:andy_armstrong:cgi.pm:2.01:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.13 | cpe:2.3:a:andy_armstrong:cgi.pm:2.13:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.14 | cpe:2.3:a:andy_armstrong:cgi.pm:2.14:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.15 | cpe:2.3:a:andy_armstrong:cgi.pm:2.15:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.16 | cpe:2.3:a:andy_armstrong:cgi.pm:2.16:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.17 | cpe:2.3:a:andy_armstrong:cgi.pm:2.17:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.18 | cpe:2.3:a:andy_armstrong:cgi.pm:2.18:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.19 | cpe:2.3:a:andy_armstrong:cgi.pm:2.19:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.20 | cpe:2.3:a:andy_armstrong:cgi.pm:2.20:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.21 | cpe:2.3:a:andy_armstrong:cgi.pm:2.21:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.22 | cpe:2.3:a:andy_armstrong:cgi.pm:2.22:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.23 | cpe:2.3:a:andy_armstrong:cgi.pm:2.23:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.24 | cpe:2.3:a:andy_armstrong:cgi.pm:2.24:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.25 | cpe:2.3:a:andy_armstrong:cgi.pm:2.25:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.26 | cpe:2.3:a:andy_armstrong:cgi.pm:2.26:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.27 | cpe:2.3:a:andy_armstrong:cgi.pm:2.27:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.28 | cpe:2.3:a:andy_armstrong:cgi.pm:2.28:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.29 | cpe:2.3:a:andy_armstrong:cgi.pm:2.29:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.30 | cpe:2.3:a:andy_armstrong:cgi.pm:2.30:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.31 | cpe:2.3:a:andy_armstrong:cgi.pm:2.31:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.32 | cpe:2.3:a:andy_armstrong:cgi.pm:2.32:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.33 | cpe:2.3:a:andy_armstrong:cgi.pm:2.33:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.34 | cpe:2.3:a:andy_armstrong:cgi.pm:2.34:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.35 | cpe:2.3:a:andy_armstrong:cgi.pm:2.35:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.36 | cpe:2.3:a:andy_armstrong:cgi.pm:2.36:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.37 | cpe:2.3:a:andy_armstrong:cgi.pm:2.37:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.38 | cpe:2.3:a:andy_armstrong:cgi.pm:2.38:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.39 | cpe:2.3:a:andy_armstrong:cgi.pm:2.39:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.40 | cpe:2.3:a:andy_armstrong:cgi.pm:2.40:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.41 | cpe:2.3:a:andy_armstrong:cgi.pm:2.41:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.42 | cpe:2.3:a:andy_armstrong:cgi.pm:2.42:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.43 | cpe:2.3:a:andy_armstrong:cgi.pm:2.43:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.44 | cpe:2.3:a:andy_armstrong:cgi.pm:2.44:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.45 | cpe:2.3:a:andy_armstrong:cgi.pm:2.45:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.46 | cpe:2.3:a:andy_armstrong:cgi.pm:2.46:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.47 | cpe:2.3:a:andy_armstrong:cgi.pm:2.47:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.48 | cpe:2.3:a:andy_armstrong:cgi.pm:2.48:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.49 | cpe:2.3:a:andy_armstrong:cgi.pm:2.49:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.50 | cpe:2.3:a:andy_armstrong:cgi.pm:2.50:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.51 | cpe:2.3:a:andy_armstrong:cgi.pm:2.51:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.52 | cpe:2.3:a:andy_armstrong:cgi.pm:2.52:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.53 | cpe:2.3:a:andy_armstrong:cgi.pm:2.53:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.54 | cpe:2.3:a:andy_armstrong:cgi.pm:2.54:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.55 | cpe:2.3:a:andy_armstrong:cgi.pm:2.55:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.56 | cpe:2.3:a:andy_armstrong:cgi.pm:2.56:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.57 | cpe:2.3:a:andy_armstrong:cgi.pm:2.57:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.58 | cpe:2.3:a:andy_armstrong:cgi.pm:2.58:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.59 | cpe:2.3:a:andy_armstrong:cgi.pm:2.59:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.60 | cpe:2.3:a:andy_armstrong:cgi.pm:2.60:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.61 | cpe:2.3:a:andy_armstrong:cgi.pm:2.61:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.62 | cpe:2.3:a:andy_armstrong:cgi.pm:2.62:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.63 | cpe:2.3:a:andy_armstrong:cgi.pm:2.63:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.64 | cpe:2.3:a:andy_armstrong:cgi.pm:2.64:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.65 | cpe:2.3:a:andy_armstrong:cgi.pm:2.65:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.66 | cpe:2.3:a:andy_armstrong:cgi.pm:2.66:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.67 | cpe:2.3:a:andy_armstrong:cgi.pm:2.67:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.68 | cpe:2.3:a:andy_armstrong:cgi.pm:2.68:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.69 | cpe:2.3:a:andy_armstrong:cgi.pm:2.69:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.70 | cpe:2.3:a:andy_armstrong:cgi.pm:2.70:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.71 | cpe:2.3:a:andy_armstrong:cgi.pm:2.71:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.72 | cpe:2.3:a:andy_armstrong:cgi.pm:2.72:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.73 | cpe:2.3:a:andy_armstrong:cgi.pm:2.73:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.74 | cpe:2.3:a:andy_armstrong:cgi.pm:2.74:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.75 | cpe:2.3:a:andy_armstrong:cgi.pm:2.75:*:*:*:*:*:*:* |
| andy_armstrong | cgi.pm | 2.76 | cpe:2.3:a:andy_armstrong:cgi.pm:2.76:*:*:*:*:*:*:* |