CVE-2010-1562 — The SIP implementation on the Cisco PGW 2200 Softswitch with software 9.7(3)S before 9.7(3)S9 and 9.7(3)P before 9.7(3)P9 allows remote attackers to cause a denial of service (device crash) via a malformed Contact header, aka Bug ID CSCsj98521

Back Back to CVE browser

HIGH

The SIP implementation on the Cisco PGW 2200 Softswitch with software 9.7(3)S before 9.7(3)S9 and 9.7(3)P before 9.7(3)P9 allows remote attackers to cause a denial of service (device crash) via a malformed Contact header, aka Bug ID CSCsj98521

Published May 14, 2010

7.8

HIGH

CVSS 2.0

EPSS 1.77%

Description

The SIP implementation on the Cisco PGW 2200 Softswitch with software 9.7(3)S before 9.7(3)S9 and 9.7(3)P before 9.7(3)P9 allows remote attackers to cause a denial of service (device crash) via a malformed Contact header, aka Bug ID CSCsj98521.

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 2, 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 (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.77% (0.01770)	77.35th	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	0.26% (0.00259)	66.23th	v3 (v2023.03.01)
Apr 11, 2024	0.26% (0.00259)	65.31th	v3 (v2023.03.01)
Oct 10, 2023	0.26% (0.00259)	63.29th	v3 (v2023.03.01)
Mar 7, 2023	0.36% (0.00365)	68.05th	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://osvdb.org/64684
vdb-entryx_refsource_OSVDB
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b2c519.shtml
vendor-advisoryx_refsource_CISCOPatchVendor Advisory

Link	Providers	Tags
http://osvdb.org/64684		vdb-entryx_refsource_OSVDB
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b2c519.shtml		vendor-advisoryx_refsource_CISCOPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published May 14, 2010

Updated Aug 7, 2024

Reserved Apr 27, 2010

Link CVE-2010-1562

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2010-1562

Red Hat

Severity n/a

Public date n/a

Links CVE-2010-1562