CVE-2020-24924: A Persistent Cross-site Scripting vulnerability is found in ElkarBackup v1.3.3, where an attacker can steal th

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-24924 is a medium-severity flaw (CVSS 5.4) affecting elkarbackup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Persistent Cross-site Scripting vulnerability is found in ElkarBackup v1.3.3, where an attacker can steal the user session cookie using this vulnerability present on Policies >> action >> Name Parameter

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-09-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: elkarbackup

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

Am I affected?

Timeline

2020-09-15 13:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

elkarbackup elkarbackup DOWNGRADE

Affected: 1.3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.3.3 (Debian / Ubuntu)

apt-cache madison elkarbackup sudo apt install elkarbackup=<VERSION_BEFORE_1.3.3> sudo apt-mark hold elkarbackup

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

dnf --showduplicates list elkarbackup sudo dnf downgrade elkarbackup-<VERSION_BEFORE_1.3.3> sudo dnf versionlock add elkarbackup

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-2020-24924?

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

Is CVE-2020-24924 being exploited?

CVE-2020-24924 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-2020-24924 affect?

CVE-2020-24924 affects elkarbackup. Severity is medium (CVSS 5.4). A Persistent Cross-site Scripting vulnerability is found in ElkarBackup v1.3.3, where an attacker can steal the user session cookie using this vulnerability present on Policies >> action >> Name Parameter

How urgent is CVE-2020-24924?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2020-35249 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability in ElkarBackup 1.3.3, allows attackers to execute arbitrary code via
CVE-2020-24925 HIGH 7.5 DOWNGRADE A Sensitive Source Code Path Disclosure vulnerability is found in ElkarBackup v1.3.3

References

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