CVE-2017-11319: Perspective ICM Investigation & Case 5.1.1.16 allows remote authenticated users to modify access level permiss

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HIGH 8.8DOWNGRADE

CVE-2017-11319 is a high-severity flaw (CVSS 8.8) affecting perspective. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Perspective ICM Investigation & Case 5.1.1.16 allows remote authenticated users to modify access level permissions and consequently gain privileges by leveraging insufficient validation methods and missing cross server side checking mechanisms.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

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	Low
User interaction	None
EPSS exploit chance	5.6% (top 7%)
CISA exploited list	No
Weakness	CWE-269
Published	2017-12-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: resolver

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

Am I affected?

Timeline

2017-12-11 17:29 UTCPublished CVE record published
2026-06-17 01:01 UTCUpdated Record last modified

resolver perspective DOWNGRADE

Affected: 5.1.1.16

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1.1.16

1. Check installed version

apt-cache policy perspective || rpm -q perspective || perspective --version

2. No fixed release: DOWNGRADE to a release before 5.1.1.16 (Debian / Ubuntu)

apt-cache madison perspective sudo apt install perspective=<VERSION_BEFORE_5.1.1.16> sudo apt-mark hold perspective

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

dnf --showduplicates list perspective sudo dnf downgrade perspective-<VERSION_BEFORE_5.1.1.16> sudo dnf versionlock add perspective

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: Perspective ICM Investigation & Case 5.1.1.16 - Privilege Escalation

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-2017-11319?

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

Is CVE-2017-11319 being exploited?

CVE-2017-11319 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-2017-11319 affect?

CVE-2017-11319 affects perspective. Severity is high (CVSS 8.8). Perspective ICM Investigation & Case 5.1.1.16 allows remote authenticated users to modify access level permissions and consequently gain privileges by leveraging insufficient validation methods and missing cross server side checking mechani

How urgent is CVE-2017-11319?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

References

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