CVE-2015-7556: DeleGate 9.9.13 allows local users to gain privileges as demonstrated by the dgcpnod setuid program.

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HIGH 7.8DOWNGRADE

CVE-2015-7556 is a high-severity flaw (CVSS 7.8) affecting delegate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DeleGate 9.9.13 allows local users to gain privileges as demonstrated by the dgcpnod setuid program.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-269
Published	2020-01-15
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: delegate

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

Am I affected?

Timeline

2020-01-15 15:15 UTCPublished CVE record published
2026-06-17 00:32 UTCUpdated Record last modified

delegate delegate DOWNGRADE

Affected: 9.9.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.9.13

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.9.13 (Debian / Ubuntu)

apt-cache madison delegate sudo apt install delegate=<VERSION_BEFORE_9.9.13> sudo apt-mark hold delegate

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

dnf --showduplicates list delegate sudo dnf downgrade delegate-<VERSION_BEFORE_9.9.13> sudo dnf versionlock add delegate

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: DeleGate 9.9.13 - Local 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-2015-7556?

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

Is CVE-2015-7556 being exploited?

CVE-2015-7556 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-2015-7556 affect?

CVE-2015-7556 affects delegate. Severity is high (CVSS 7.8). DeleGate 9.9.13 allows local users to gain privileges as demonstrated by the dgcpnod setuid program.

How urgent is CVE-2015-7556?

Priority 50/100. High severity; Public exploit reference

References

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