How severe is CVE-2007-5469?

CVE-2007-5469 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-5469 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-2007-5469?

CVE-2007-5469 affects Openser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5469?

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

When was CVE-2007-5469 published?

CVE-2007-5469 was published on 2007-10-16 and last updated on 2026-06-16.

CVE-2007-5469

CVE-2007-5469 is a medium-severity vulnerability in Openser 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-264.

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-264
Affected product: Openser
Published: 2007-10-16
Last modified: 2026-06-16

Description

OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication credentials to call arbitrary telephone numbers or spoof caller ID (aka "toll fraud and authentication forward attack"). NOTE: Debian disputes this issue, stating that "having the two URIs mismatch is allowed by the standard and happens in some setups for valid reasons.

Frequently asked questions

What is CVE-2007-5469?: OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication credentials to call arbitrary telephone numbers or spoof caller ID (aka "toll fraud and authentication forward attack"). NOTE: Debian disputes this issue, stating that "having the two URIs mismatch is allowed by the standard and happens in some setups for valid reasons.
How severe is CVE-2007-5469?: CVE-2007-5469 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-5469 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-2007-5469?: CVE-2007-5469 affects Openser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5469?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5469 published?: CVE-2007-5469 was published on 2007-10-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:openser:openser:1.2.2:*:*:*:*:*:*:*

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