CVE-2011-0364: The Management Console (webagent.exe) in Cisco Security Agent 5.1, 5.2, and 6.0 before 6.0.2.145 allows remote

This week

HIGH 10.0DOWNGRADE

CVE-2011-0364 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.

The Management Console (webagent.exe) in Cisco Security Agent 5.1, 5.2, and 6.0 before 6.0.2.145 allows remote attackers to create arbitrary files and execute arbitrary code via unspecified parameters in a crafted st_upload request.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	19.6% (top 3%)
CISA exploited list	No
Weakness	CWE-94
Published	2011-02-19
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

2011-02-19 01:00 UTCPublished CVE record published
2026-06-16 23:27 UTCUpdated Record last modified

cisco security agent DOWNGRADE

Affected: 5.1 · 5.2 · 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1

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 5.1 (Debian / Ubuntu)

apt-cache madison security-agent sudo apt install security-agent=<VERSION_BEFORE_5.1> 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_5.1> 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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Cisco Security Agent Management Console - 'st_upload' Remote Code Execution

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-2011-0364?

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

Is CVE-2011-0364 being exploited?

CVE-2011-0364 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-2011-0364 affect?

CVE-2011-0364 affects security agent. Severity is high (CVSS 10.0). The Management Console (webagent.exe) in Cisco Security Agent 5.1, 5.2, and 6.0 before 6.0.2.145 allows remote attackers to create arbitrary files and execute arbitrary code via unspecified parameters in a crafted st_upload request.

How urgent is CVE-2011-0364?

Priority 64/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

Cisco vulnerabilities

Related CVEs

CVE-2010-0148 HIGH 7.8 DOWNGRADE Unspecified vulnerability in Cisco Security Agent 5.2 before 5.2.0.285, when running on Linux, allows remote a
CVE-2010-0147 MEDIUM 6.5 DOWNGRADE SQL injection vulnerability in the Management Center for Cisco Security Agents 5.1 before 5.1.0.117, 5.2 befor
CVE-2010-0146 MEDIUM 6.8 DOWNGRADE Directory traversal vulnerability in the Management Center for Cisco Security Agents 6.0 allows remote authent
CVE-2007-5580 HIGH 10.0 DOWNGRADE 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
CVE-2007-1068 HIGH 7.2 DOWNGRADE DOWNGRADE The (1) TTLS CHAP, (2) TTLS MSCHAP, (3) TTLS MSCHAPv2, (4) TTLS PAP, (5) MD5, (6) GTC, (7) LEAP, (8) PEAP MSCH

References

← Back to latest CVEs