CVE-2016-9092: The Symantec Content Analysis (CA) 1.3, 2.x prior to 2.2.1.1, and Mail Threat Defense (MTD) 1.1 management con

This month

HIGH 8.8DOWNGRADEDOWNGRADE

CVE-2016-9092 is a high-severity flaw (CVSS 8.8) affecting content analysis, mail threat defense. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Symantec Content Analysis (CA) 1.3, 2.x prior to 2.2.1.1, and Mail Threat Defense (MTD) 1.1 management consoles are susceptible to a cross-site request forging (CSRF) vulnerability. A remote attacker can use phishing or other social engineering techniques to access the management console with the privileges of an authenticated administrator user.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-352
Published	2017-05-11
Last modified	2026-06-17

Publisher (CNA): Symantec Corporation · Vendor: symantec

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-05-11 14:30 UTCPublished CVE record published
2026-06-17 00:55 UTCUpdated Record last modified

symantec content analysis DOWNGRADE

Affected: 1.3 · 2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy content-analysis || rpm -q content-analysis || content-analysis --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison content-analysis sudo apt install content-analysis=<VERSION_BEFORE_1.3> sudo apt-mark hold content-analysis

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

dnf --showduplicates list content-analysis sudo dnf downgrade content-analysis-<VERSION_BEFORE_1.3> sudo dnf versionlock add content-analysis

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.

symantec mail threat defense DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy mail-threat-defense || rpm -q mail-threat-defense || mail-threat-defense --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison mail-threat-defense sudo apt install mail-threat-defense=<VERSION_BEFORE_1.1> sudo apt-mark hold mail-threat-defense

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

dnf --showduplicates list mail-threat-defense sudo dnf downgrade mail-threat-defense-<VERSION_BEFORE_1.1> sudo dnf versionlock add mail-threat-defense

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-2016-9092?

content analysis: downgrade or apply the listed mitigation; mail threat defense: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-9092 being exploited?

CVE-2016-9092 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-2016-9092 affect?

CVE-2016-9092 affects content analysis, mail threat defense. Severity is high (CVSS 8.8). The Symantec Content Analysis (CA) 1.3, 2.x prior to 2.2.1.1, and Mail Threat Defense (MTD) 1.1 management consoles are susceptible to a cross-site request forging (CSRF) vulnerability. A remote attacker can use phishing or other social eng

How urgent is CVE-2016-9092?

Priority 43/100. High severity

Software pages

Symantec and Broadcom vulnerabilities

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References

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