CVE-2002-1961: Finjan Software SurfinGate 6.0 and 6.0 1 allows remote attackers to bypass URL access restrictions via a URL w

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HIGH 7.5DOWNGRADE

CVE-2002-1961 is a high-severity flaw (CVSS 7.5) affecting surfingate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Finjan Software SurfinGate 6.0 and 6.0 1 allows remote attackers to bypass URL access restrictions via a URL whose hostname portion uses a fully qualified domain name (FQDN) that ends in a "." (dot).

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: finjan software

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

finjan software surfingate DOWNGRADE

Affected: 6.0 · 6.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy surfingate || rpm -q surfingate || surfingate --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison surfingate sudo apt install surfingate=<VERSION_BEFORE_6.0> sudo apt-mark hold surfingate

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

dnf --showduplicates list surfingate sudo dnf downgrade surfingate-<VERSION_BEFORE_6.0> sudo dnf versionlock add surfingate

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.

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-2002-1961?

surfingate: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-1961 being exploited?

CVE-2002-1961 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-2002-1961 affect?

CVE-2002-1961 affects surfingate. Severity is high (CVSS 7.5). Finjan Software SurfinGate 6.0 and 6.0 1 allows remote attackers to bypass URL access restrictions via a URL whose hostname portion uses a fully qualified domain name (FQDN) that ends in a "." (dot).

How urgent is CVE-2002-1961?

Priority 51/100. High severity; Public exploit reference

Related CVEs

CVE-2005-1994 MEDIUM 5.0 DOWNGRADE Finjan SurfinGate 7.0SP2 and SP3 allows remote attackers to download blocked files via hex-encoded characters
CVE-2004-2107 HIGH 7.5 DOWNGRADE Finjan SurfinGate 6.0 and 7.0, when running in proxy mode, does not authenticate FHTTP commands on TCP port 31
CVE-2002-1962 HIGH 7.5 DOWNGRADE Finjan Software SurfinGate 6.0 and 6.0 1 allows remote attackers to bypass URL access restrictions via a URL w

References

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