CVE-2007-5580: Buffer overflow in a certain driver in Cisco Security Agent 4.5.1 before 4.5.1.672, 5.0 before 5.0.0.225, 5.1

This month

HIGH 10.0DOWNGRADE

CVE-2007-5580 is a high-severity flaw (CVSS 10.0) affecting security agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in a certain driver in Cisco Security Agent 4.5.1 before 4.5.1.672, 5.0 before 5.0.0.225, 5.1 before 5.1.0.106, and 5.2 before 5.2.0.238 on Windows allows remote attackers to execute arbitrary code via a crafted SMB packet in a TCP session on port (1) 139 or (2) 445.

Why this priority

Critical severity
EPSS top 6%: 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	6.4% (top 6%)
CISA exploited list	No
Weakness	CWE-119
Published	2007-12-15
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

2007-12-15 01:46 UTCPublished CVE record published
2026-06-16 22:46 UTCUpdated Record last modified

cisco security agent DOWNGRADE

Affected: 2.1 · 3 · 4.0 · 4.0.1 · 4.0.2 · 4.0.3 · 4.0.3.728 · 4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1

1. Check installed version

apt-cache policy security-agent || rpm -q security-agent || security-agent --version

2. No fixed release: DOWNGRADE to a release before 2.1 (Debian / Ubuntu)

apt-cache madison security-agent sudo apt install security-agent=<VERSION_BEFORE_2.1> sudo apt-mark hold security-agent

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

dnf --showduplicates list security-agent sudo dnf downgrade security-agent-<VERSION_BEFORE_2.1> sudo dnf versionlock add security-agent

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-2007-5580?

security agent: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-5580 being exploited?

CVE-2007-5580 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-2007-5580 affect?

CVE-2007-5580 affects security agent. Severity is high (CVSS 10.0). Buffer overflow in a certain driver in Cisco Security Agent 4.5.1 before 4.5.1.672, 5.0 before 5.0.0.225, 5.1 before 5.1.0.106, and 5.2 before 5.2.0.238 on Windows allows remote attackers to execute arbitrary code via a crafted SMB packet i

How urgent is CVE-2007-5580?

Priority 58/100. Critical severity; EPSS top 6%: very likely to be exploited

Software pages

Windows vulnerabilities · Cisco vulnerabilities

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References

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