Cyber Resilience

CVE-2010-3035

Cisco Ios Xr 3.4.0 – 3.9.1

CISA KEVActive ExploitationEUVD Exploited
Published
30 August 2010
Modified
22 April 2026
KEV Added
25 March 2022
Patch / advisory
View advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.056 92th percentile
Risk Priority 80 floored blend · peak EPSS

Summary

CVE-2010-3035 is a high-severity an unspecified weakness vulnerability in Cisco Ios Xr. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 8% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog.

EU & UK References

Vulnerability Data

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…

more

August 2010 with attribute type code 99, aka Bug ID CSCti62211.

CWE(s)
NVD-CWE-noinfo
KEV Date Added
25 March 2022

Related Threats

Likely ATT&CK TechniquesAI

Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.

T1498 Network Denial of Service Impactconfidence: HIGH
Malformed BGP prefix announcements with unrecognized transitive attributes trigger peering resets, enabling network denial of service.
attack.mitre.org →
inferred from description · MITRE ATT&CK Enterprise v19.0

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CVE-2023-20233Same product: Cisco Ios Xr
CVE-2024-20317Same product: Cisco Ios Xr
CVE-2024-20489Same product: Cisco Ios Xr
CVE-2024-20390Same product: Cisco Ios Xr
CVE-2025-20138Same product: Cisco Ios Xr

Affected Assets

cisco
ios xr
3.4.0 — 3.9.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References