How severe is CVE-2007-5550?

CVE-2007-5550 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-5550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5550?

CVE-2007-5550 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5550?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-5550 published?

CVE-2007-5550 was published on 2007-10-18 and last updated on 2026-06-16.

CVE-2007-5550

CVE-2007-5550 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Ios
Published: 2007-10-18
Last modified: 2026-06-16

Description

Unspecified vulnerability in Cisco IOS allows remote attackers to obtain the IOS version via unspecified vectors involving a "common network service", aka PSIRT-1255024833. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.

Frequently asked questions

What is CVE-2007-5550?: Unspecified vulnerability in Cisco IOS allows remote attackers to obtain the IOS version via unspecified vectors involving a "common network service", aka PSIRT-1255024833. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
How severe is CVE-2007-5550?: CVE-2007-5550 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-5550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5550?: CVE-2007-5550 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5550 published?: CVE-2007-5550 was published on 2007-10-18 and last updated on 2026-06-16.

References

http://www.irmplc.com/index.php/111-Vendor-Alerts

Affected products (1)

cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

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