CVE-2008-6840

MEDIUMCVSS v2 · 6.86.8—
EchelonGraph scoreLOW confidence

This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 6.8 — 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: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 1.9% 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
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS v2: 6.8Exploit: Exploit-DB (verified) · public exploitExposed: 0

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

Multiple PHP remote file inclusion vulnerabilities in V-webmail 1.6.4 allow remote attackers to execute arbitrary PHP code via a URL in the (1) CONFIG[pear_dir] parameter to (a) Mail/RFC822.php, (b) Net/Socket.php, (c) XML/Parser.php, (d) XML/Tree.php, (e) Mail/mimeDecode.php, (f) Console/Getopt.php, (g) System.php, (h) Log.php, and (i) File.php in includes/pear/; the CONFIG[pear_dir] parameter to (j) includes/prepend.php, and (k) includes/cachedConfig.php; and the (2) CONFIG[includes] parameter to (l) prepend.php and (m) email.list.search.php in includes/. NOTE: the CONFIG[pear_dir] parameter to includes/mailaccess/pop3.php is already covered by CVE-2006-2666.

CVSS v2.0 (legacy)
6.8MEDIUMNVD never assigned a CVSS v3 rating to this CVE
EG Score
6.8(low)
EG Risk
61(Track)
EG Risk 61/100SSVC: 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
Severity68% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
78%
KEV
Not listed

Published

July 1, 2009

Last Modified

April 23, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 33× 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 103 total refreshes for this CVE.

  1. 2026-07-26 13:37 UTCEG score recompute▲ 6.80
  2. 2026-07-25 14:12 UTCEPSS rescore
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Publicly available exploits

(10 references)

Working exploit code is in the public domain (10 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-32034✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/cachedConfig.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32036✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/email.list.search.php?CONFIG[includes]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32029✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/Console/Getopt.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32032✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/File.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32031✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/Log.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32028✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/Mail/mimeDecode.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32024✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/Mail/RFC822.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32025✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/Net/Socket.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32030✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/System.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗
  • Exploit-DBEDB-32026✓ verified
    First seen Jul 10, 2008

    V-Webmail 1.6.4 - '/includes/pear/XML/parser.php?CONFIG[pear_dir]' Remote File Inclusion

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2008-6840?
CVE-2008-6840 is a medium vulnerability published on July 1, 2009. Multiple PHP remote file inclusion vulnerabilities in V-webmail 1.6.4 allow remote attackers to execute arbitrary PHP code via a URL in the (1) CONFIG[peardir] parameter to (a) Mail/RFC822.php, (b) Net/Socket.php, (c) XML/Parser.php, (d) XML/Tree.php, (e) Mail/mimeDecode.php, (f)…
When was CVE-2008-6840 disclosed?
CVE-2008-6840 was first published in the National Vulnerability Database on July 1, 2009, 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-2008-6840 actively exploited?
CVE-2008-6840 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 22.0% of all scored CVEs.
How do I remediate CVE-2008-6840?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-6840, 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.

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