CVE-2010-0148: Unspecified vulnerability in Cisco Security Agent 5.2 before 5.2.0.285, when running on Linux, allows remote a

This month

HIGH 7.8WATCHLISTDOWNGRADE

CVE-2010-0148 is a high-severity flaw (CVSS 7.8) affecting security agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in Cisco Security Agent 5.2 before 5.2.0.285, when running on Linux, allows remote attackers to cause a denial of service (kernel panic) via "a series of TCP packets."

Why this priority

High severity
On your watchlist

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Published	2010-02-23
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

2010-02-23 20:30 UTCPublished CVE record published
2026-06-16 23:15 UTCUpdated Record last modified

cisco security agent DOWNGRADE

Affected: 5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2

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 5.2 (Debian / Ubuntu)

apt-cache madison security-agent sudo apt install security-agent=<VERSION_BEFORE_5.2> 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_5.2> 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-2010-0148?

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

Is CVE-2010-0148 being exploited?

CVE-2010-0148 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-2010-0148 affect?

CVE-2010-0148 affects security agent. Severity is high (CVSS 7.8). Unspecified vulnerability in Cisco Security Agent 5.2 before 5.2.0.285, when running on Linux, allows remote attackers to cause a denial of service (kernel panic) via "a series of TCP packets."

How urgent is CVE-2010-0148?

Priority 54/100. High severity; On your watchlist

Software pages

Cisco vulnerabilities

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References

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