CVE-2020-11003: Oasis before version 2.15.0 has a potential DNS rebinding or CSRF vulnerability

Q: How do I fix CVE-2020-11003?

oasis: upgrade to 2.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-11003 being exploited?

CVE-2020-11003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-11003 affect?

CVE-2020-11003 affects oasis. Severity is medium (CVSS 4.8). Oasis before version 2.15.0 has a potential DNS rebinding or CSRF vulnerability. If you're running a vulnerable application on your computer and an attacker can trick you into visiting a malicious website, they could use DNS rebinding and C

Q: How urgent is CVE-2020-11003?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 4.8UPGRADE

CVE-2020-11003 is a medium-severity flaw (CVSS 4.8) affecting oasis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Oasis before version 2.15.0 has a potential DNS rebinding or CSRF vulnerability. If you're running a vulnerable application on your computer and an attacker can trick you into visiting a malicious website, they could use DNS rebinding and CSRF attacks to read/write to vulnerable applications. This has been patched in 2.15.0.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-352
Published	2020-04-14
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: fraction

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

Am I affected?

Timeline

2020-04-14 23:15 UTCPublished CVE record published
2026-06-17 02:48 UTCUpdated Record last modified

fraction oasis UPGRADE

Affected: < 2.15.0

Fixed in: 2.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade oasis

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade oasis

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-11003?

oasis: upgrade to 2.15.0. Exact commands for each OS are on this page.

Is CVE-2020-11003 being exploited?

CVE-2020-11003 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-2020-11003 affect?

CVE-2020-11003 affects oasis. Severity is medium (CVSS 4.8). Oasis before version 2.15.0 has a potential DNS rebinding or CSRF vulnerability. If you're running a vulnerable application on your computer and an attacker can trick you into visiting a malicious website, they could use DNS rebinding and C

How urgent is CVE-2020-11003?

Priority 28/100. No elevated risk signals yet.

References

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