CVE-2007-3701: TippingPoint IPS before 20070710 does not properly handle a hex-encoded alternate Unicode '/' (slash) characte

This week

HIGH 7.5DOWNGRADEMITIGATE

CVE-2007-3701 is a high-severity flaw (CVSS 7.5) affecting tipping point, tippingpoint ips tos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TippingPoint IPS before 20070710 does not properly handle a hex-encoded alternate Unicode '/' (slash) character, which might allow remote attackers to send certain network traffic and avoid detection, as demonstrated by a cmd.exe attack.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	8.5% (top 5%)
CISA exploited list	No
Weakness	CWE-20
Published	2007-07-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: 3com · tippingpoint

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-07-11 23:30 UTCPublished CVE record published
2026-06-16 22:42 UTCUpdated Record last modified

tippingpoint tipping point DOWNGRADE

Affected: 50 · 200 · 200e · 400 · 600e · 1200 · 1200e · 2400e

Fixed in: no fixed release known

Safe to downgrade to: a release before 50

1. Check installed version

apt-cache policy tipping-point || rpm -q tipping-point || tipping-point --version

2. No fixed release: DOWNGRADE to a release before 50 (Debian / Ubuntu)

apt-cache madison tipping-point sudo apt install tipping-point=<VERSION_BEFORE_50> sudo apt-mark hold tipping-point

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tipping-point sudo dnf downgrade tipping-point-<VERSION_BEFORE_50> sudo dnf versionlock add tipping-point

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

3com tippingpoint ips tos MITIGATE

Affected: 2.1 · 2.1.4.6324 · 2.2 · 2.2.1 · 2.2.1.6506 · 2.2.2 · 2.2.3 · 2.2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: TippingPoint IPS - Unicode Character Detection Bypass

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-3701?

tipping point: downgrade or apply the listed mitigation; tippingpoint ips tos: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-3701 being exploited?

CVE-2007-3701 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-3701 affect?

CVE-2007-3701 affects tipping point, tippingpoint ips tos. Severity is high (CVSS 7.5). TippingPoint IPS before 20070710 does not properly handle a hex-encoded alternate Unicode '/' (slash) character, which might allow remote attackers to send certain network traffic and avoid detection, as demonstrated by a cmd.exe attack.

How urgent is CVE-2007-3701?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

References

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