How severe is CVE-2010-2363?

CVE-2010-2363 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2010-2363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2363?

CVE-2010-2363 primarily affects Iij Seil/x1 Firmware. In total, 73 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2363?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-2363 published?

CVE-2010-2363 was published on 2010-08-30 and last updated on 2026-06-16.

CVE-2010-2363

CVE-2010-2363 is a medium-severity vulnerability in Iij Seil/x1 Firmware with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Iij Seil/x1 Firmware
Published: 2010-08-30
Last modified: 2026-06-16

Description

The IPv6 Unicast Reverse Path Forwarding (RPF) implementation on the SEIL/X1, SEIL/X2, and SEIL/B1 routers with firmware 1.00 through 2.73, when strict mode is used, does not properly drop packets, which might allow remote attackers to bypass intended access restrictions via a spoofed IP address.

Frequently asked questions

What is CVE-2010-2363?: The IPv6 Unicast Reverse Path Forwarding (RPF) implementation on the SEIL/X1, SEIL/X2, and SEIL/B1 routers with firmware 1.00 through 2.73, when strict mode is used, does not properly drop packets, which might allow remote attackers to bypass intended access restrictions via a spoofed IP address.
How severe is CVE-2010-2363?: CVE-2010-2363 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2010-2363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2363?: CVE-2010-2363 primarily affects Iij Seil/x1 Firmware. In total, 73 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-2363 published?: CVE-2010-2363 was published on 2010-08-30 and last updated on 2026-06-16.

References

Affected products (73)

cpe:2.3:a:iij:seil\/x1_firmware:1.10:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.20:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.21:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.22:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.30:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.31:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.32:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.40:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.41:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:1.44:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.10:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.20:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.30:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.40:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.41:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.42:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.50:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.51:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.52:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.60:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.61:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.62:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.63:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.70:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.72:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x1_firmware:2.73:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.00:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.10:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.20:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.21:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.22:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.30:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.31:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.32:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.40:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.41:*:*:*:*:*:*:*
cpe:2.3:a:iij:seil\/x2_firmware:1.43:*:*:*:*:*:*:*

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