CVE-2014-2033: The caching feature in SGOS in Blue Coat ProxySG 5.5 through 5.5.11.3, 6.1 through 6.1.6.3, 6.2 through 6.2.15

Q: How do I fix CVE-2014-2033?

proxysgos: upgrade to 6.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2014-2033 being exploited?

CVE-2014-2033 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-2014-2033 affect?

CVE-2014-2033 affects proxysgos. Severity is high (CVSS 7.9). The caching feature in SGOS in Blue Coat ProxySG 5.5 through 5.5.11.3, 6.1 through 6.1.6.3, 6.2 through 6.2.15.3, 6.4 through 6.4.6.1, and 6.3 and 6.5 before 6.5.4 allows remote authenticated users to bypass intended access restrictions dur

This month

HIGH 7.9UPGRADE

CVE-2014-2033 is a high-severity flaw (CVSS 7.9) affecting proxysgos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The caching feature in SGOS in Blue Coat ProxySG 5.5 through 5.5.11.3, 6.1 through 6.1.6.3, 6.2 through 6.2.15.3, 6.4 through 6.4.6.1, and 6.3 and 6.5 before 6.5.4 allows remote authenticated users to bypass intended access restrictions during a time window after account deletion or modification by leveraging knowledge of previously valid credentials.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.9 (High)
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-264
Published	2014-03-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bluecoat

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

Am I affected?

Timeline

2014-03-02 17:55 UTCPublished CVE record published
2026-06-17 00:05 UTCUpdated Record last modified

bluecoat proxysgos UPGRADE

Affected: >= 5.5 and <= 5.5.11.3 · >= 6.1 and <= 6.1.6.3 · >= 6.2 and <= 6.2.15.3 · >= 6.4 and <= 6.4.6.1 · >= 6.5 and < 6.5.4 · 6.3

Fixed in: 6.5.4

Safe to downgrade to: a release before 5.5

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2014-2033?

proxysgos: upgrade to 6.5.4. Exact commands for each OS are on this page.

Is CVE-2014-2033 being exploited?

CVE-2014-2033 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-2014-2033 affect?

CVE-2014-2033 affects proxysgos. Severity is high (CVSS 7.9). The caching feature in SGOS in Blue Coat ProxySG 5.5 through 5.5.11.3, 6.1 through 6.1.6.3, 6.2 through 6.2.15.3, 6.4 through 6.4.6.1, and 6.3 and 6.5 before 6.5.4 allows remote authenticated users to bypass intended access restrictions dur

How urgent is CVE-2014-2033?

Priority 44/100. High severity

Related CVEs

CVE-2013-5959 HIGH 7.1 DOWNGRADE UPGRADE Blue Coat ProxySG before 6.2.14.1, 6.3.x, 6.4.x, and 6.5 before 6.5.2 allows remote attackers to cause a denia

References

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