CVE-2013-4840

What it is

Unspecified vulnerability in HP and H3C VPN Firewall Module products SECPATH1000FE before 5.20.R3177 and SECBLADEFW before 5.20.R3177 allows remote attackers to cause a denial of service via unknown vectors.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

2.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2014-07-28 17:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:57 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 2.5% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-07-28 17:55 UTC

Last modified

2026-06-16 23:57 UTC

Exploit probability

2.5% · EPSS, next 30 days

Record status

Modified

Affected

• h3c Secbladefw 5.20
• h3c secpath1000fe 5.20
• h3c f1000-e Vpn Firewall 0235a26g
• h3c s5820 Secblade Vpn Firewall Module 0231a94j
• h3c s7500e Secblade Vpn Firewall Module 0231a832
• h3c s9500e Secblade Vpn Firewall Module 0231a0av
• h3c sr66 Gigabit Firewall Module 0231a88a
• h3c sr88 Firewall Processing Module 0231a88l

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2013-4840.md and follow it. Check whether this project is affected by CVE-2013-4840. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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