CVE-2008-6576 — Unspecified vulnerability in the "session limitation technique" in the FTP service on Nortel Communications Server 1000 (CS1K) 4.50.x, when running on VGMC or signaling nodes, allows remote attackers to cause a denial of service (resource exhaustion and failed updates) via unknown vectors that causes consumption of all available sessions

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HIGH

Unspecified vulnerability in the "session limitation technique" in the FTP service on Nortel Communications Server 1000 (CS1K) 4.50.x, when running on VGMC or signaling nodes, allows remote attackers to cause a denial of service (resource exhaustion and failed updates) via unknown vectors that causes consumption of all available sessions

Published Apr 1, 2009

7.8

HIGH

CVSS 2.0

EPSS 1.98%

Description

Unspecified vulnerability in the "session limitation technique" in the FTP service on Nortel Communications Server 1000 (CS1K) 4.50.x, when running on VGMC or signaling nodes, allows remote attackers to cause a denial of service (resource exhaustion and failed updates) via unknown vectors that causes consumption of all available sessions.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.98% 0.01978

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

EPSS probability 0.01978

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	1.98% (0.01978)	79.77th	v5 (v2026.06.15)
Jun 15, 2026	1.98% (0.01978)	77.85th	v5 (v2026.06.15)
Mar 17, 2025	1.66% (0.01663)	80.82th	v4 (v2025.03.14)
Dec 17, 2024	4.74% (0.04741)	92.56th	v3 (v2023.03.01)
Dec 12, 2024	3.51% (0.03508)	91.91th	v3 (v2023.03.01)
Mar 7, 2023	3.26% (0.03257)	89.73th	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)

Weaknesses (0)

No CWE recorded.

References (7)

http://osvdb.org/44380
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/29747
third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1019845
vdb-entryx_refsource_SECTRACK
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=713455
x_refsource_CONFIRMVendor Advisory
http://www.securityfocus.com/bid/28691
vdb-entryx_refsource_BID
http://www.voipshield.com/research-details.php?id=11
x_refsource_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilities/41804
vdb-entryx_refsource_XF

Link	Providers	Tags
http://osvdb.org/44380		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/29747		third-party-advisoryx_refsource_SECUNIA
http://securitytracker.com/id?1019845		vdb-entryx_refsource_SECTRACK
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=713455		x_refsource_CONFIRMVendor Advisory
http://www.securityfocus.com/bid/28691		vdb-entryx_refsource_BID
http://www.voipshield.com/research-details.php?id=11		x_refsource_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilities/41804		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 1, 2009

Updated Aug 7, 2024

Reserved Apr 1, 2009

Link CVE-2008-6576

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2008-6576

Red Hat

Severity n/a

Public date n/a

Links CVE-2008-6576