# What is CVE-2004-0935?

> CVE-2004-0935 is a high-severity flaw (CVSS 7.5) in Archive Zip, published on 27 January 2005. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 15%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2004-0935

## At a glance

- **Verdict:** Fix this soon. Not confirmed as exploited yet, but serious or likely enough that it should not wait for a quiet month.
- **Precursor Intelligence risk score:** 46 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.5 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 15% (latest exploit-likelihood forecast)
- **Published:** 27 January 2005
- **Record last updated:** 16 June 2026
- **Main product:** Archive Zip
- **Affected products:** 23

## What is CVE-2004-0935? In plain terms

It can be attacked from anywhere on the internet without logging in. If it works, the attacker can read some data, change some data and slow it down.

### The official description

Eset Anti-Virus before 1.020 (16th September 2004) allows remote attackers to bypass antivirus protection via a compressed file with both local and global headers set to zero, which does not prevent the compressed file from being opened on a target system.

### What kind of flaw is it?

- Unknown: Unknown

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Easy: no special conditions
- Login needed first: No login needed
- What an attacker gets: Can read some data, change some data and slow it down

Severity vector: `AV:N/AC:L/Au:N/C:P/I:P/A:P`

## Is CVE-2004-0935 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 15%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 15%, 15%, 15%, 15%, 15%, 15%, 15%.

### Timeline

- 27 January 2005: Published
- 16 June 2026: Record last updated

### How Precursor Intelligence ranks it

CVE-2004-0935 scores **46 out of 100 (Medium)**, with the action "Plan remediation".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2004-0935?

The published record lists 23 products.

- [Archive Zip](https://www.precursorintelligence.com/product/archive_zip/archive_zip) by [Archive Zip](https://www.precursorintelligence.com/vendors/archive_zip) (Application): 1.13
- [Sophos Anti-Virus](https://www.precursorintelligence.com/product/sophos/sophos_anti-virus) by [Sophos](https://www.precursorintelligence.com/vendors/sophos) (Application): 3.4.6, 3.78, 3.78d, 3.79, 3.80, 3.81, 3.82, 3.83, 3.84, 3.85, 3.86
- [Etrust Ez Antivirus](https://www.precursorintelligence.com/product/broadcom/etrust_ez_antivirus) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 6.1, 6.2, 6.3
- [Etrust Ez Armor](https://www.precursorintelligence.com/product/broadcom/etrust_ez_armor) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 2.0, 2.3, 2.4
- [Etrust Intrusion Detection](https://www.precursorintelligence.com/product/broadcom/etrust_intrusion_detection) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 1.4.1.13, 1.4.5, 1.5
- [Kaspersky Anti-Virus](https://www.precursorintelligence.com/product/kaspersky_lab/kaspersky_anti-virus) by [Kaspersky Lab](https://www.precursorintelligence.com/vendors/kaspersky_lab) (Application): 3.0, 4.0, 5.0
- [Nod32 Antivirus](https://www.precursorintelligence.com/product/eset_software/nod32_antivirus) by [Eset Software](https://www.precursorintelligence.com/vendors/eset_software) (Application): 1.0.11, 1.0.12, 1.0.13
- [Etrust Antivirus](https://www.precursorintelligence.com/product/broadcom/etrust_antivirus) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 7.0, 7.1
- [Etrust Antivirus Gateway](https://www.precursorintelligence.com/product/broadcom/etrust_antivirus_gateway) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 7.0, 7.1
- [Etrust Secure Content Manager](https://www.precursorintelligence.com/product/broadcom/etrust_secure_content_manager) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 1.0, 1.1
- [Linux](https://www.precursorintelligence.com/product/gentoo/linux) by [Gentoo](https://www.precursorintelligence.com/vendors/gentoo) (Operating system): all versions, 1.4
- [Antivirus Engine](https://www.precursorintelligence.com/product/mcafee/antivirus_engine) by [Mcafee](https://www.precursorintelligence.com/vendors/mcafee) (Application): 4.3.20
- [Brightstor Arcserve Backup](https://www.precursorintelligence.com/product/broadcom/brightstor_arcserve_backup) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 11.1
- [Etrust Antivirus](https://www.precursorintelligence.com/product/ca/etrust_antivirus) by [Ca](https://www.precursorintelligence.com/vendors/ca) (Application): 7.0_sp2
- [Etrust Secure Content Manager](https://www.precursorintelligence.com/product/ca/etrust_secure_content_manager) by [Ca](https://www.precursorintelligence.com/vendors/ca) (Application): 1.0-sp1
- [Inoculateit](https://www.precursorintelligence.com/product/broadcom/inoculateit) by [Broadcom](https://www.precursorintelligence.com/vendors/broadcom) (Application): 6.0
- [Mandrake Linux](https://www.precursorintelligence.com/product/mandrakesoft/mandrake_linux) by [Mandrakesoft](https://www.precursorintelligence.com/vendors/mandrakesoft) (Operating system): 10.1
- [Rav Antivirus Desktop](https://www.precursorintelligence.com/product/rav_antivirus/rav_antivirus_desktop) by [Rav Antivirus](https://www.precursorintelligence.com/vendors/rav_antivirus) (Application): 8.6
- [Rav Antivirus for File Servers](https://www.precursorintelligence.com/product/rav_antivirus/rav_antivirus_for_file_servers) by [Rav Antivirus](https://www.precursorintelligence.com/vendors/rav_antivirus) (Application): 1.0
- [Rav Antivirus for Mail Servers](https://www.precursorintelligence.com/product/rav_antivirus/rav_antivirus_for_mail_servers) by [Rav Antivirus](https://www.precursorintelligence.com/vendors/rav_antivirus) (Application): 8.4.2
- [Sophos Puremessage Anti-Virus](https://www.precursorintelligence.com/product/sophos/sophos_puremessage_anti-virus) by [Sophos](https://www.precursorintelligence.com/vendors/sophos) (Application): 4.6
- [Sophos Small Business Suite](https://www.precursorintelligence.com/product/sophos/sophos_small_business_suite) by [Sophos](https://www.precursorintelligence.com/vendors/sophos) (Application): 1.0
- [Suse Linux](https://www.precursorintelligence.com/product/suse/suse_linux) by [Suse](https://www.precursorintelligence.com/vendors/suse) (Operating system): 9.2

## How do I fix CVE-2004-0935?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [securityfocus.com](http://www.securityfocus.com/bid/11448) (Exploit, Patch, Vendor advisory)
- [idefense.com](http://www.idefense.com/application/poi/display?id=153&type=vulnerabilities&flashstatus=true)
- [kb.cert.org](http://www.kb.cert.org/vuls/id/968818) (Government resource)
- [exchange.xforce.ibmcloud.com](https://exchange.xforce.ibmcloud.com/vulnerabilities/17761)

## Questions

### What is CVE-2004-0935?

CVE-2004-0935 is a high-severity flaw in Archive Zip, published on 27 January 2005. It can be attacked from anywhere on the internet without logging in. If it works, the attacker can read some data, change some data and slow it down.

### How serious is CVE-2004-0935?

It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2004-0935 is 46 out of 100, which is Medium. Its action is "Plan remediation". Not confirmed as exploited yet, but serious or likely enough that it should not wait for a quiet month.

### Is CVE-2004-0935 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 15%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2004-0935 affect?

For Archive Zip: 1.13. The record lists 23 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2004-0935?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2004-0935 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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