CVE-2018-3777: Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesf

Q: How do I fix CVE-2018-3777?

restforce: upgrade to 3.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2018-3777 being exploited?

CVE-2018-3777 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-2018-3777 affect?

CVE-2018-3777 affects restforce. Severity is critical (CVSS 9.8). Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.

Q: How urgent is CVE-2018-3777?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2018-3777 is a critical-severity flaw (CVSS 9.8) affecting restforce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-20, CWE-172
Published	2018-08-03
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: restforce

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

Am I affected?

Timeline

2018-08-03 20:29 UTCPublished CVE record published
2026-06-17 01:57 UTCUpdated Record last modified

restforce restforce UPGRADE

Affected: < 3.0.0

Fixed in: 3.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.0.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade restforce

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-2018-3777?

restforce: upgrade to 3.0.0. Exact commands for each OS are on this page.

Is CVE-2018-3777 being exploited?

CVE-2018-3777 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-2018-3777 affect?

CVE-2018-3777 affects restforce. Severity is critical (CVSS 9.8). Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.

How urgent is CVE-2018-3777?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Salesforce vulnerabilities

References

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