Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211
Published Aug 30, 2010 ·Due Apr 15, 2022
7.5
HIGHCVSS 3.1
EPSS 5.67%
Description
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
Date Added
Mar 25, 2022
Patch Due
Apr 15, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Nov 8, 2024 · SSVC 2.0.3
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.67% (0.05668) | 92.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.52% (0.05516) | 91.76th | v5 (v2026.06.15) |
| Apr 23, 2026 | 5.30% (0.05300) | 90.06th | v4 (v2025.03.14) |
| Aug 24, 2025 | 3.50% (0.03495) | 87.12th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.75% (0.05752) | 89.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.81% (0.23812) | 93.59th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.55% (0.05553) | 89.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.52% (0.04519) | 88.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.91% (0.05913) | 93.72th | v3 (v2023.03.01) |
| Jul 17, 2024 | 5.91% (0.05913) | 93.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.42% (0.02424) | 88.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://mailman.nanog.org/pipermail/nanog/2010-August/024837.html mailing-listx_refsource_MLISTMailing List
- http://osvdb.org/67696 vdb-entryx_refsource_OSVDBBroken Link
- http://secunia.com/advisories/41190 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtml vendor-advisoryx_refsource_CISCOBroken LinkVendor Advisory
- http://www.securitytracker.com/id?1024371 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2010/2227 vdb-entryx_refsource_VUPENBroken Link
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61443 vdb-entryx_refsource_XFVDB EntryVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3035 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://mailman.nanog.org/pipermail/nanog/2010-August/024837.html | mailing-listx_refsource_MLISTMailing List | |
| http://osvdb.org/67696 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://secunia.com/advisories/41190 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4411f.shtml | vendor-advisoryx_refsource_CISCOBroken LinkVendor Advisory | |
| http://www.securitytracker.com/id?1024371 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.vupen.com/english/advisories/2010/2227 | vdb-entryx_refsource_VUPENBroken Link | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/61443 | vdb-entryx_refsource_XFVDB EntryVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-3035 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.