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CVE-2004-0839· NVD / CVE Program· CNA mitre

Internet Explorer in Windows XP SP2, and other versions including 5.01 and 5.5, allows remote attackers to install arbitrary programs via a

Internet Explorer in Windows XP SP2, and other versions including 5.01 and 5.5, allows remote attackers to install arbitrary programs via a web page that uses certain styles and the AnchorClick behavior, popup windows, and drag-and-drop capabilities to drop the program in the local startup folder, as demonstrated by "wottapoop.html".

MediumCVSS 5.0 · v2.0—No exploit No fix recorded
Published
Aug 18, 2004
Updated
Jun 16, 2026
EPSS
34.0% · 98th percentile
CWE
—
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
10 / 30 · 34.0%

Affected systems

VendorProduct
avayaip600 media servers
avayadefinity one media server
avayas3400
avayas8100
avayamodular messaging message storage server
microsoftie
microsoftinternet explorer
nortelip softphone 2050
nortelmobile voice client 2050
norteloptivity telephony manager
nortelsymposium web centre portal
nortelsymposium web client

and 6 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • avaya definity one media serverall versions
  • avaya ip600 media serversall versions
  • avaya modular messaging message storage server1.1
  • avaya modular messaging message storage server2.0
  • avaya s3400all versions
  • avaya s8100all versions
  • microsoft ie6.0
  • microsoft internet explorer5.0.1
  • microsoft internet explorer5.5
  • microsoft internet explorer6.0
  • microsoft windows 2000all versions
  • microsoft windows 2003 serverenterprise
  • microsoft windows 2003 serverenterprise_64-bit
  • microsoft windows 2003 serverr2
  • microsoft windows 2003 serverstandard
  • microsoft windows 2003 serverweb
  • microsoft windows 98all versions
  • microsoft windows 98seall versions
  • microsoft windows meall versions
  • microsoft windows xpall versions

Other highest-scoring records for the same primary product.

  • CVE-2004-1050Heap-based buffer overflow in Internet Explorer 6 allows remote attackers to execute arbitrary code via long (1) SRC or (2) NAME attributes
    60This week
  • CVE-2004-0212Stack-based buffer overflow in the Task Scheduler for Windows 2000 and XP, and Internet Explorer 6 on Windows NT 4.0, allows local or remote
    59Plan
  • CVE-2004-0842Internet Explorer 6.0 SP1 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (application crash
    47Plan
  • CVE-2004-0841Internet Explorer 6.x allows remote attackers to install arbitrary programs via mousedown events that call the Popup.show method and use dra
    35Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
None
Integrity impact
P
Availability impact
None

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

All records