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CVE-2002-1463· NVD / CVE Program· CNA mitre

Symantec Raptor Firewall 6.5 and 6.5.3, Enterprise Firewall 6.5.2 and 7.0, VelociRaptor Models 500/700/1000 and 1100/1200/1300, and Gateway

Symantec Raptor Firewall 6.5 and 6.5.3, Enterprise Firewall 6.5.2 and 7.0, VelociRaptor Models 500/700/1000 and 1100/1200/1300, and Gateway Security 5110/5200/5300 generate easily predictable initial sequence numbers (ISN), which allows remote attackers to spoof connections.

HighCVSS 7.5 · v2.0—Proof of concept No fix recorded
Published
Jun 9, 2003
Updated
Jun 16, 2026
EPSS
6.9% · 94th percentile
CWE
—
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Action score

32

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.9%

Affected systems

VendorProduct
symantecenterprise firewall
symantecraptor firewall
symantecvelociraptor
symantecgateway security

Affected versions

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

  • symantec enterprise firewall6.5.2
  • symantec enterprise firewall7.0
  • symantec gateway security5110
  • symantec gateway security5200
  • symantec gateway security5300
  • symantec raptor firewall6.5
  • symantec raptor firewall6.5.3
  • symantec velociraptormodel_1000
  • symantec velociraptormodel_1100
  • symantec velociraptormodel_1200
  • symantec velociraptormodel_1300
  • symantec velociraptormodel_500
  • symantec velociraptormodel_700

Same product

symantec: all records

Other highest-scoring records for the same primary product.

  • CVE-2007-4422The login interface in Symantec Enterprise Firewall 6.x, when a VPN with pre-shared key (PSK) authentication is enabled, generates different
    38Monitor
  • CVE-2005-3768Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in Symantec Dynamic VPN Services, as used in Enterprise Firewa
    31Monitor
  • CVE-2002-0538FTP proxy in Symantec Raptor Firewall 6.5.3 and Enterprise 7.0 rewrites an FTP server's "FTP PORT" responses in a way that allows remote att
    31Monitor
  • CVE-2003-0106The HTTP proxy for Symantec Enterprise Firewall (SEF) 7.0 allows proxy users to bypass pattern matching for blocked URLs via requests that a
    30Monitor
  • CVE-2006-2341The HTTP proxy in Symantec Gateway Security 5000 Series 2.0.1 and 3.0, and Enterprise Firewall 8.0, when NAT is being used, allows remote at
    21Monitor
  • CVE-2004-1754The DNS proxy (DNSd) for multiple Symantec Gateway Security products allows remote attackers to poison the DNS cache via a malicious DNS ser
    21Monitor

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

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote1999-09-27

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.

  1. First PoC-1351 d
  2. Published
  3. TodaySep 30, 2026+8515 d
EPSS, last 120 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.

Credits

All researchers

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.

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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
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

Weakness class (CWE)

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CVSS vector

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

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.

We use this product, ask for help

Change log

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

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records