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.
CVE-2010-4410
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 4.3 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:N/I:P/A:N. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 2.0% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v2.0 (legacy)
- 4.3MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 4.3(low)
- EG Risk
- 25(Track)EG Risk 25/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 80%
- KEV
- Not listed
Published
December 6, 2010
Last Modified
April 29, 2026
References (48)
- cve@mitrehttp://cpansearch.perl.org/src/LDS/CGI.pm-3.50/Changes
- cve@mitrehttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- cve@mitrehttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
- cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2011-January/053576.html
- cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2011-January/053591.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- cve@mitrehttp://openwall.com/lists/oss-security/2010/12/01/1
- cve@mitrehttp://openwall.com/lists/oss-security/2010/12/01/2
- cve@mitrehttp://openwall.com/lists/oss-security/2010/12/01/3
- cve@mitrehttp://perl5.git.perl.org/perl.git/blobdiff/a0b94c2432b1d8c20653453a0f6970cb10f59aec..84601d63a7e34958da47dad1e61e27cb3bd467d1:/cpan/CGI/lib/CGI.pm
- cve@mitrehttp://perl5.git.perl.org/perl.git/commit/84601d63a7e34958da47dad1e61e27cb3bd467d1
- cve@mitrehttp://secunia.com/advisories/43068
- cve@mitrehttp://secunia.com/advisories/43147
- cve@mitrehttp://www.mandriva.com/security/advisories?name=MDVSA-2010:237
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | perl (5.10.1-17ubuntu4.1) @ natty | 2026-05-29 | ubuntu |
| redhat | perl-4:5.8.8-32.el5_7.6 | 2011-12-08 | redhat |
| redhat | perl-4:5.10.1-119.el6 | 2011-05-19 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(12 across 4 ecosystems)
Debian:11(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libcgi-pm-perl | — | 3.50-1 | — |
| libcgi-simple-perl | — | 1.111-2 | — |
| perl | — | 5.10.1-17 | — |
Debian:12(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libcgi-pm-perl | — | 3.50-1 | — |
| libcgi-simple-perl | — | 1.111-2 | — |
| perl | — | 5.10.1-17 | — |
Debian:13(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libcgi-pm-perl | — | 3.50-1 | — |
| libcgi-simple-perl | — | 1.111-2 | — |
| perl | — | 5.10.1-17 | — |
Debian:14(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| libcgi-pm-perl | — | 3.50-1 | — |
| libcgi-simple-perl | — | 1.111-2 | — |
| perl | — | 5.10.1-17 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 3× in last 7d / 10× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 131 total refreshes for this CVE.
- 2026-09-16 13:58 UTCEPSS rescore
- 2026-09-15 03:04 UTCEPSS rescore
- 2026-09-13 16:40 UTCEPSS rescore
- 2026-09-12 14:54 UTCEPSS rescore
- 2026-09-12 11:53 UTCOSV refresh
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- 2026-07-26 13:42 UTCEG score recompute▲ 4.30
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 03:12 UTCOSV refresh
- 2026-07-23 01:03 UTCEG score recompute
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- 2026-07-23 00:39 UTCEG score recompute
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- 2026-07-05 22:29 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-07-02 14:01 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 09:43 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-06-04 13:09 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
6 shownredhat:RHSA-2011:0558 · ubuntu:USN-1129-1 · redhat:RHSA-2011:1797
Same CWE
10 shownCWE-94
Frequently asked(4)
What is CVE-2010-4410?
When was CVE-2010-4410 disclosed?
Is CVE-2010-4410 actively exploited?
How do I remediate CVE-2010-4410?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2010-4410
Is Your Infrastructure Affected by CVE-2010-4410?
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