How severe is CVE-2012-2488?

CVE-2012-2488 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-2488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2488?

CVE-2012-2488 primarily affects Cisco Ios Xr. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2488?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-2488 published?

CVE-2012-2488 was published on 2012-05-31 and last updated on 2026-06-16.

CVE-2012-2488

CVE-2012-2488 is a high-severity vulnerability in Cisco Ios Xr with a CVSS 2.0 base score of 7.8. 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-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Ios Xr
Published: 2012-05-31
Last modified: 2026-06-16

Description

Cisco IOS XR before 4.2.1 on ASR 9000 series devices and CRS series devices allows remote attackers to cause a denial of service (packet transmission outage) via a crafted packet, aka Bug IDs CSCty94537 and CSCtz62593.

Frequently asked questions

What is CVE-2012-2488?: Cisco IOS XR before 4.2.1 on ASR 9000 series devices and CRS series devices allows remote attackers to cause a denial of service (packet transmission outage) via a crafted packet, aka Bug IDs CSCty94537 and CSCtz62593.
How severe is CVE-2012-2488?: CVE-2012-2488 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-2488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2488?: CVE-2012-2488 primarily affects Cisco Ios Xr. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-2488 published?: CVE-2012-2488 was published on 2012-05-31 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asr_9000_rsp440_router:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.0.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.0.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*
cpe:2.3:h:cisco:crs_performance_route_processor:-:*:*:*:*:*:*:*

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