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CVE-2004-0155· NVD / CVE Program· CNA mitre

The KAME IKE Daemon Racoon, when authenticating a peer during Phase 1, validates the X.509 certificate but does not verify the RSA signature

The KAME IKE Daemon Racoon, when authenticating a peer during Phase 1, validates the X.509 certificate but does not verify the RSA signature authentication, which allows remote attackers to establish unauthorized IP connections or conduct man-in-the-middle attacks using a valid, trusted X.509 certificate.

HighCVSS 7.5 · v2.0—No exploit Fix available
Published
Jun 1, 2004
Updated
Jun 16, 2026
EPSS
3.6% · 89th percentile
CWE
—
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.6%

Affected systems

VendorProduct
kameracoon

Affected versions

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

  • kame racoonall versions

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:enterprise_linux:3::asipsec-toolsbefore 0:0.2.5-0.40:0.2.5-0.4
Red Hat:enterprise_linux:3::asipsec-tools-debuginfobefore 0:0.2.5-0.40:0.2.5-0.4

Same product

kame: all records

Other highest-scoring records for the same primary product.

  • CVE-2004-0607The eay_check_x509cert function in KAME Racoon successfully verifies certificates even when OpenSSL validation fails, which could allow remo
    42Plan
  • CVE-2004-0164KAME IKE daemon (racoon) does not properly handle hash values, which allows remote attackers to delete certificates via (1) a certain delete
    22Monitor
  • CVE-2004-0392racoon before 20040407b allows remote attackers to cause a denial of service (infinite loop and dropped connections) via an IKE message with
    21Monitor
  • CVE-2004-0403Racoon before 20040408a allows remote attackers to cause a denial of service (memory consumption) via an ISAKMP packet with a large length f
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:ipsec-tools0:0.2.5-0.4 · Red Hat:enterprise_linux:3::asPackage registry (OSV)
red hat:ipsec-tools-debuginfo0:0.2.5-0.4 · Red Hat:enterprise_linux:3::asPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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.

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)

—

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

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Change log

  1. Fix✗ → ✓

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References

All records