CVE-2020-12855: A Host header injection vulnerability has been discovered in SecZetta NEProfile 3.3.11

This month

HIGH 8.8DOWNGRADE

CVE-2020-12855 is a high-severity flaw (CVSS 8.8) affecting neprofile. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Host header injection vulnerability has been discovered in SecZetta NEProfile 3.3.11. Authenticated remote adversaries can poison this header resulting in an adversary controlling the execution flow for the 302 HTTP status.

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	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-74
Published	2020-08-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: seczetta

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

Am I affected?

Timeline

2020-08-26 19:15 UTCPublished CVE record published
2026-06-17 02:52 UTCUpdated Record last modified

seczetta neprofile DOWNGRADE

Affected: 3.3.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.11

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.3.11 (Debian / Ubuntu)

apt-cache madison neprofile sudo apt install neprofile=<VERSION_BEFORE_3.3.11> sudo apt-mark hold neprofile

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

dnf --showduplicates list neprofile sudo dnf downgrade neprofile-<VERSION_BEFORE_3.3.11> sudo dnf versionlock add neprofile

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-2020-12855?

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

Is CVE-2020-12855 being exploited?

CVE-2020-12855 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-2020-12855 affect?

CVE-2020-12855 affects neprofile. Severity is high (CVSS 8.8). A Host header injection vulnerability has been discovered in SecZetta NEProfile 3.3.11. Authenticated remote adversaries can poison this header resulting in an adversary controlling the execution flow for the 302 HTTP status.

How urgent is CVE-2020-12855?

Priority 51/100. High severity

Related CVEs

CVE-2020-12854 HIGH 8.8 DOWNGRADE A remote code execution vulnerability was identified in SecZetta NEProfile 3.3.11

References

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