CVE-2010-2827 — Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193

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HIGH

Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193

Published Aug 16, 2010

7.8

HIGH

CVSS 2.0

EPSS 1.77%

Description

Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.77% 0.01770

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01770

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	1.77% (0.01770)	77.32th	v5 (v2026.06.15)
Jun 15, 2026	1.77% (0.01770)	75.16th	v5 (v2026.06.15)
Mar 17, 2025	0.43% (0.00427)	60.26th	v4 (v2025.03.14)
Dec 12, 2024	0.20% (0.00204)	59.26th	v3 (v2023.03.01)
Jun 14, 2024	0.20% (0.00204)	58.53th	v3 (v2023.03.01)
Mar 7, 2023	0.20% (0.00204)	56.52th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (2)

http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4095e.shtml
vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/42426
vdb-entryx_refsource_BID

Link	Providers	Tags
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4095e.shtml		vendor-advisoryx_refsource_CISCO
http://www.securityfocus.com/bid/42426		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 16, 2010

Updated Aug 7, 2024

Reserved Jul 23, 2010

Link CVE-2010-2827

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2010-2827

Red Hat

Severity n/a

Public date n/a

Links CVE-2010-2827