CVE-2011-2577

highpriority · attend · 45EPSS 0.127 · 96 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

12.7% (96th) EPSS

CVSS 7.8 · high

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.07highAV:N/AC:L/Au:N/C:N/I:N/A:C/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-17871Cisco TelePresence SOS-11-010 - Multiple VulnerabilitiesPoC · exploit_db

affected products (20)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
cisco telepresence 6000 mxpall versionsnvdUScpe:2.3:h:cisco:telepresence_6000_mxp:*:*:*:*:*:*:*:*
cisco telepresence 9000 mxpall versionsnvdUScpe:2.3:h:cisco:telepresence_9000_mxp:*:*:*:*:*:*:*:*
cisco telepresence c series software≤ tc3.1.4nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence c series software= tc3.0.0nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence c series software= tc3.1.0nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence c series software= tc3.1.1nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence c series software= tc3.1.2nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence c series software= tc3.1.3nvdUScpe:2.3:a:cisco:telepresence_c_series_software:*:*:*:*:*:*:*:*
cisco telepresence codec c40all versionsnvdUScpe:2.3:h:cisco:telepresence_codec_c40:*:*:*:*:*:*:*:*
cisco telepresence codec c60all versionsnvdUScpe:2.3:h:cisco:telepresence_codec_c60:*:*:*:*:*:*:*:*
cisco telepresence codec c90all versionsnvdUScpe:2.3:h:cisco:telepresence_codec_c90:*:*:*:*:*:*:*:*
cisco telepresence e20all versionsnvdUScpe:2.3:h:cisco:telepresence_e20:*:*:*:*:*:*:*:*
cisco telepresence e20 software= te2.2.1nvdUScpe:2.3:a:cisco:telepresence_e20_software:*:*:*:*:*:*:*:*
cisco telepresence ex60all versionsnvdUScpe:2.3:h:cisco:telepresence_ex60:*:*:*:*:*:*:*:*
cisco telepresence ex90all versionsnvdUScpe:2.3:h:cisco:telepresence_ex90:*:*:*:*:*:*:*:*
cisco telepresence mxp software= f8.2nvdUScpe:2.3:a:cisco:telepresence_mxp_software:*:*:*:*:*:*:*:*
cisco telepresence mxp software= f9.0nvdUScpe:2.3:a:cisco:telepresence_mxp_software:*:*:*:*:*:*:*:*
cisco telepresence mxp software= f9.0.1nvdUScpe:2.3:a:cisco:telepresence_mxp_software:*:*:*:*:*:*:*:*
cisco telepresence mxp software= f9.0.2nvdUScpe:2.3:a:cisco:telepresence_mxp_software:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-08-31modified 2026-06-16

references (20)

External citations — patches, advisories, analysis.

scry

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