CVE-2007-2355: The get_url function in DODS_Dispatch.pm for the CGI_server in OPeNDAP 3 allows remote attackers to execute ar

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HIGH 10.0DOWNGRADE

CVE-2007-2355 is a high-severity flaw (CVSS 10.0) affecting server3. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The get_url function in DODS_Dispatch.pm for the CGI_server in OPeNDAP 3 allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	6.0% (top 7%)
CISA exploited list	No
Published	2007-04-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: opendap

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-04-30 22:19 UTCPublished CVE record published
2026-06-16 22:39 UTCUpdated Record last modified

opendap server3 DOWNGRADE

Affected: 3.2.10 · 3.7.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.10

1. Check installed version

apt-cache policy server3 || rpm -q server3 || server3 --version

2. No fixed release: DOWNGRADE to a release before 3.2.10 (Debian / Ubuntu)

apt-cache madison server3 sudo apt install server3=<VERSION_BEFORE_3.2.10> sudo apt-mark hold server3

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

dnf --showduplicates list server3 sudo dnf downgrade server3-<VERSION_BEFORE_3.2.10> sudo dnf versionlock add server3

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-2007-2355?

server3: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-2355 being exploited?

CVE-2007-2355 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-2007-2355 affect?

CVE-2007-2355 affects server3. Severity is high (CVSS 10.0). The get_url function in DODS_Dispatch.pm for the CGI_server in OPeNDAP 3 allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

How urgent is CVE-2007-2355?

Priority 58/100. Critical severity; EPSS top 7%: very likely to be exploited

References

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