CVE-2008-1154: The Disaster Recovery Framework (DRF) master server in Cisco Unified Communications products, including Unifie

This month

HIGH 10.0DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2008-1154 is a high-severity flaw (CVSS 10.0) affecting emergency responder, mobility manager, unified communications manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Disaster Recovery Framework (DRF) master server in Cisco Unified Communications products, including Unified Communications Manager (CUCM) 5.x and 6.x, Unified Presence 1.x and 6.x, Emergency Responder 2.x, and Mobility Manager 2.x, does not require authentication for requests received from the network, which allows remote attackers to execute arbitrary code via unspecified vectors.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	5.1% (top 8%)
CISA exploited list	No
Weakness	CWE-287
Published	2008-04-04
Last modified	2026-06-16

Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2008-04-04 19:44 UTCPublished CVE record published
2026-06-16 22:51 UTCUpdated Record last modified

cisco emergency responder DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy emergency-responder || rpm -q emergency-responder || emergency-responder --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison emergency-responder sudo apt install emergency-responder=<VERSION_BEFORE_2.0> sudo apt-mark hold emergency-responder

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list emergency-responder sudo dnf downgrade emergency-responder-<VERSION_BEFORE_2.0> sudo dnf versionlock add emergency-responder

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

cisco mobility manager DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy mobility-manager || rpm -q mobility-manager || mobility-manager --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison mobility-manager sudo apt install mobility-manager=<VERSION_BEFORE_2.0> sudo apt-mark hold mobility-manager

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mobility-manager sudo dnf downgrade mobility-manager-<VERSION_BEFORE_2.0> sudo dnf versionlock add mobility-manager

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

cisco unified communications manager DOWNGRADE

Affected: 5.0 · 5.1 · 6.0 · 6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy unified-communications-manager || rpm -q unified-communications-manager || unified-communications-manager --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison unified-communications-manager sudo apt install unified-communications-manager=<VERSION_BEFORE_5.0> sudo apt-mark hold unified-communications-manager

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unified-communications-manager sudo dnf downgrade unified-communications-manager-<VERSION_BEFORE_5.0> sudo dnf versionlock add unified-communications-manager

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

cisco unified presence DOWNGRADE

Affected: 1.0 · 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy unified-presence || rpm -q unified-presence || unified-presence --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison unified-presence sudo apt install unified-presence=<VERSION_BEFORE_1.0> sudo apt-mark hold unified-presence

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unified-presence sudo dnf downgrade unified-presence-<VERSION_BEFORE_1.0> sudo dnf versionlock add unified-presence

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2008-1154?

emergency responder: downgrade or apply the listed mitigation; mobility manager: downgrade or apply the listed mitigation; unified communications manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-1154 being exploited?

CVE-2008-1154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2008-1154 affect?

CVE-2008-1154 affects emergency responder, mobility manager, unified communications manager. Severity is high (CVSS 10.0). The Disaster Recovery Framework (DRF) master server in Cisco Unified Communications products, including Unified Communications Manager (CUCM) 5.x and 6.x, Unified Presence 1.x and 6.x, Emergency Responder 2.x, and Mobility Manager 2.x, does

How urgent is CVE-2008-1154?

Priority 58/100. Critical severity; EPSS top 8%: very likely to be exploited

Software pages

Cisco vulnerabilities

Related CVEs

CVE-2024-20352 MEDIUM 4.9 MITIGATE A vulnerability in Cisco Emergency Responder could allow an authenticated, remote attacker to conduct a direct
CVE-2024-20347 MEDIUM 4.3 MITIGATE A vulnerability in Cisco Emergency Responder could allow an unauthenticated, remote attacker to conduct a CSRF
CVE-2023-20266 MEDIUM 6.5 DOWNGRADE DOWNGRADE A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified
CVE-2023-20259 HIGH 8.6 DOWNGRADE DOWNGRADE A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenti
CVE-2023-20101 CRITICAL 9.8 MITIGATE A vulnerability in Cisco Emergency Responder could allow an unauthenticated, remote attacker to log in to an a

References

← Back to latest CVEs