7.8

CVE-2010-2840: cisco unified_presence_server Improper Input Validation

CVSS: 7.8v2.0HighModified
Published 26-08-2010Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2010-2840 is a high (CVSS 7.8) Improper Input Validation vulnerability in cisco unified_presence_server. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
1.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.21%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco1 product
  • unified_presence_server6.0 | 6.0\(2\) | 6.0\(3\) | 6.0\(4\) | 6.0\(5\) | 6.0\(6\) | 7.0 | 7.0\(2\) | 7.0\(3\) | 7.0\(4\) | 7.0\(5\) | 7.0\(6\) | 7.0\(7\) | 6.0\(2.1101\) | 6.0\(3.1101-2\) | 6.0\(4.1101-5\) | 6.0\(5.1101-1\) | 6.0\(5.1103-2\) | 6.0.5.1102-1 | 7.0.3.10102-3 | 7.0.3.10103-2 | 7.0.4.10101-2

1 vendor · 1 product

References

2 links