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
Published May 31, 2012
7.8
HIGHCVSS 2.0
EPSS 2.21%
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.
Affected products
No data.
Configuration 1
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.21% (0.02210) | 81.96th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.21% (0.02210) | 80.21th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00441) | 61.09th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.49% (0.00488) | 76.86th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.49% (0.00488) | 75.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.49% (0.00488) | 72.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://secunia.com/advisories/49329 third-party-advisoryx_refsource_SECUNIA
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120530-iosxr vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/53728 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027104 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/49329 | third-party-advisoryx_refsource_SECUNIA | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120530-iosxr | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/53728 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1027104 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.