CVE-2020-35276: EgavilanMedia ECM Address Book 1.0 is affected by SQL injection

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-35276 is a critical-severity flaw (CVSS 9.8) affecting ecm address book. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

EgavilanMedia ECM Address Book 1.0 is affected by SQL injection. An attacker can bypass the Admin Login panel through SQLi and get Admin access and add or remove any user.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-12-21
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: egavilanmedia

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-12-21 15:15 UTCPublished CVE record published
2026-07-09 01:16 UTCUpdated Record last modified

egavilanmedia ecm address book DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy ecm-address-book || rpm -q ecm-address-book || ecm-address-book --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison ecm-address-book sudo apt install ecm-address-book=<VERSION_BEFORE_1.0> sudo apt-mark hold ecm-address-book

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

dnf --showduplicates list ecm-address-book sudo dnf downgrade ecm-address-book-<VERSION_BEFORE_1.0> sudo dnf versionlock add ecm-address-book

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-2020-35276?

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

Is CVE-2020-35276 being exploited?

CVE-2020-35276 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-2020-35276 affect?

CVE-2020-35276 affects ecm address book. Severity is critical (CVSS 9.8). EgavilanMedia ECM Address Book 1.0 is affected by SQL injection. An attacker can bypass the Admin Login panel through SQLi and get Admin access and add or remove any user.

How urgent is CVE-2020-35276?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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