CVE-2015-6028: Castle Rock Computing SNMPc before 2015-12-17 has SQL injection via the sc parameter.

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HIGH 8.8DOWNGRADE

CVE-2015-6028 is a high-severity flaw (CVSS 8.8) affecting snmpc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Castle Rock Computing SNMPc before 2015-12-17 has SQL injection via the sc parameter.

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	Low
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-04-10
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: castlerock

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

Am I affected?

Timeline

2017-04-10 03:59 UTCPublished CVE record published
2026-06-17 00:30 UTCUpdated Record last modified

castlerock snmpc DOWNGRADE

Affected: 9.0 · 12.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.0 (Debian / Ubuntu)

apt-cache madison snmpc sudo apt install snmpc=<VERSION_BEFORE_9.0> sudo apt-mark hold snmpc

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

dnf --showduplicates list snmpc sudo dnf downgrade snmpc-<VERSION_BEFORE_9.0> sudo dnf versionlock add snmpc

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-2015-6028?

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

Is CVE-2015-6028 being exploited?

CVE-2015-6028 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-2015-6028 affect?

CVE-2015-6028 affects snmpc. Severity is high (CVSS 8.8). Castle Rock Computing SNMPc before 2015-12-17 has SQL injection via the sc parameter.

How urgent is CVE-2015-6028?

Priority 47/100. High severity

Related CVEs

CVE-2015-6027 MEDIUM 6.1 DOWNGRADE Castle Rock Computing SNMPc before 2015-12-17 has XSS via SNMP.
CVE-2008-2214 HIGH 10.0 UPGRADE Stack-based buffer overflow in the Network Manager in Castle Rock Computing SNMPc 7.1 and earlier allows remot
CVE-2007-3098 MEDIUM 5.0 UPGRADE The SNMPc Server (crserv.exe) process in Castle Rock Computing SNMPc before 7.0.19 allows remote attackers to
CVE-2003-0745 HIGH 10.0 DOWNGRADE SNMPc 6.0.8 and earlier performs authentication to the server on the client side, which allows remote attacker

References

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