CVE-2008-3375

HIGHCVSS v2 · 7.57.5—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 7.5 — v2 rates that HIGH (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:L/Au:N/C:P/I:P/A:P. 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 3.6% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.

Sources: epss, nvd_v2
Weaponized
7.5EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Exploit-DB (verified), public exploit)
CISA-KEV: Not listedEPSS PROB: 4%CVSS v2: 7.5Exploit: Exploit-DB (verified) · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The jrCookie function in includes/jamroom-misc.inc.php in JamRoom before 3.4.0 allows remote attackers to bypass authentication and gain administrative access via a boolean value within serialized data in a JMU_Cookie cookie.

CVSS v2.0 (legacy)
7.5HIGHNVD never assigned a CVSS v3 rating to this CVE
EG Score
7.5(low)
EG Risk
64(Track)
EG Risk 64/100SSVC: 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 computed
Severity75% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
88%
KEV
Not listed

Published

July 30, 2008

Last Modified

April 23, 2026

References (16)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 34× 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.

  1. 2026-07-26 13:35 UTCEG score recompute▲ 7.50
  2. 2026-07-25 14:12 UTCEPSS rescore
  3. 2026-07-24 14:12 UTCEPSS rescore
  4. 2026-07-23 14:14 UTCEPSS rescore
  5. 2026-07-23 00:56 UTCEG score recompute
  6. 2026-07-23 00:35 UTCEG score recompute
  7. 2026-07-23 00:01 UTCEG score recompute
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  9. 2026-07-20 17:03 UTCEPSS rescore
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  1. 2026-07-04 06:27 UTCEPSS rescore
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  46. 2026-06-01 13:49 UTCEPSS rescore
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  49. 2026-05-31 22:28 UTCEPSS rescore
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  51. 2026-05-31 00:13 UTCEPSS rescore
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  53. 2026-05-30 20:52 UTCEG score recompute
  54. 2026-05-30 20:52 UTCGHSA enrichment
  55. 2026-05-29 13:40 UTCEPSS rescore
  56. 2026-05-28 13:42 UTCEPSS rescore
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  59. 2026-05-27 13:38 UTCEPSS rescore
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  72. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-32121✓ verified
    First seen Jul 28, 2008

    Jamroom 3.3.8 - Cookie Authentication Bypass

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2008-3375?
CVE-2008-3375 is a high vulnerability published on July 30, 2008. The jrCookie function in includes/jamroom-misc.inc.php in JamRoom before 3.4.0 allows remote attackers to bypass authentication and gain administrative access via a boolean value within serialized data in a JMU_Cookie cookie.
When was CVE-2008-3375 disclosed?
CVE-2008-3375 was first published in the National Vulnerability Database on July 30, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-3375 actively exploited?
CVE-2008-3375 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 11.9% of all scored CVEs.
How do I remediate CVE-2008-3375?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-3375, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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