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Vulnerabilities

Threat intelligence · CVE-2016-1991

ArcSight ESM and ESM Express, Remote Arbitrary File Download VULNERABILITY SUMMARY Potential security vulnerabilities have been identified with ArcSight ESM and ESM Ex…

Published Mar 16, 2016 · the affected product

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2016-1991. EPSS is 1.57%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.57%
Remediation
Not established
Affected products
See sources for product scope

ArcSight ESM and ESM Express, Remote Arbitrary File Download VULNERABILITY SUMMARY Potential security vulnerabilities have been identified with ArcSight ESM and ESM Express. The vulnerabilities could be exploited remotely to trick an unsuspecting user into downloading arbitrary files, or running arbitrary commands on the local system. References: CVE-2016-1990 CVE-2016-1991 PSRT102039 SUPPORTED SOFTWARE VERSIONS*: ON

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2016-1991

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2016-1991. EPSS is 1.57%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 16, 2016 · AlienVault OTX

    Detected

    ArcSight ESM and ESM Express, Remote Arbitrary File Download VULNERABILITY SUMMARY Potential security vulnerabilities have been identified with ArcSight ESM and ESM Express. The vulnerabilities could be exploited remotely to trick an unsuspecting user into downloading arbitrary files, or running arbitrary commands on the local system. References: CVE-2016-1990 CVE-2016-1991 PSRT102039 SUPPORTED SO

Sources

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • AlienVault OTXOct 31, 2026