CVE-2012-5817: Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does no

Q: How do I fix CVE-2012-5817?

ec2 api tools java library: mitigate or apply the listed mitigation; xfire: upgrade to newer than 1.2.6. Exact commands for each OS are on this page.

Q: Is CVE-2012-5817 being exploited?

CVE-2012-5817 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-2012-5817 affect?

CVE-2012-5817 affects ec2 api tools java library, xfire. Severity is high (CVSS 7.4). Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 cer

Q: How urgent is CVE-2012-5817?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.4REMOTEWATCHLISTMITIGATEUPGRADE

CVE-2012-5817 is a high-severity flaw (CVSS 7.4) affecting ec2 api tools java library, xfire. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-295
Published	2012-11-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: amazon · codehaus

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

Am I affected?

Timeline

2012-11-04 22:55 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

amazon ec2 api tools java library MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ec2-api-tools-java-library || rpm -q ec2-api-tools-java-library || ec2-api-tools-java-library --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

codehaus xfire UPGRADE

Affected: <= 1.2.6

Fixed in: newer than 1.2.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.2.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xfire

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-2012-5817?

ec2 api tools java library: mitigate or apply the listed mitigation; xfire: upgrade to newer than 1.2.6. Exact commands for each OS are on this page.

Is CVE-2012-5817 being exploited?

CVE-2012-5817 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-2012-5817 affect?

CVE-2012-5817 affects ec2 api tools java library, xfire. Severity is high (CVSS 7.4). Codehaus XFire 1.2.6 and earlier, as used in the Amazon EC2 API Tools Java library and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 cer

How urgent is CVE-2012-5817?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Java vulnerabilities

References

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