Multiple cross-site scripting (XSS) vulnerabilities in Frams' Fast File EXchange (F*EX, aka fex) before fex-20140530 allow remote attackers to inject arbitrary web script or HTML via the (1) akey parameter to rup or (2) disclaimer or (3) gm parameter to fuc.
CVE-2014-3876
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 1.9% 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
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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
- 78%
- KEV
- Not listed
Published
June 18, 2014
Last Modified
May 6, 2026
References (6)
- cve@mitrehttp://fex.rus.uni-stuttgart.de/fex.html
- cve@mitrehttp://packetstormsecurity.com/files/126906/F-EX-20140313-1-HTTP-Response-Splitting-Cross-Site-Scripting.html
- cve@mitrehttps://www.lsexperts.de/advisories/lse-2014-05-22.txt
- af854a3a-2127-422b-91ae-364da2661108http://fex.rus.uni-stuttgart.de/fex.html
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/126906/F-EX-20140313-1-HTTP-Response-Splitting-Cross-Site-Scripting.html
- af854a3a-2127-422b-91ae-364da2661108https://www.lsexperts.de/advisories/lse-2014-05-22.txt
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| fex | 20110601-1 ... 20140313-1 (29 versions) | 20140530-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| fex | 20110601-1 ... 20140313-1 (29 versions) | 20140530-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| fex | 20110601-1 ... 20140313-1 (29 versions) | 20140530-1 | — |
Debian:6.0(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| fex | — | 20100208+debian1-1+squeeze4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 24× 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 124 total refreshes for this CVE.
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-20 22:50 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-18 13:43 UTCEPSS rescore
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- 2026-08-07 12:27 UTCOSV refresh
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- 2026-07-26 13:51 UTCEG score recompute▲ 4.30
- 2026-07-24 14:13 UTCEPSS rescore
- 2026-07-23 14:14 UTCEPSS rescore
- 2026-07-23 01:13 UTCEG score recompute
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- 2026-07-23 00:16 UTCEG score recompute
- 2026-07-22 21:54 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-22 04:48 UTCOSV refresh
- 2026-07-21 15:21 UTCEPSS rescore
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- 2026-07-04 23:26 UTCOSV refresh
- 2026-07-04 06:27 UTCEPSS rescore
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- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 11:14 UTCOSV refresh
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2014-3876?
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Is CVE-2014-3876 actively exploited?
How do I remediate CVE-2014-3876?
Dependency Blast Radius
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