How severe is CVE-2013-4346?

CVE-2013-4346 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4346?

CVE-2013-4346 affects Urbanairship Python-oauth2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4346?

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

When was CVE-2013-4346 published?

CVE-2013-4346 was published on 2014-05-20 and last updated on 2026-06-16.

CVE-2013-4346

CVE-2013-4346 is a medium-severity vulnerability in Urbanairship Python-oauth2 with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Urbanairship Python-oauth2
Published: 2014-05-20
Last modified: 2026-06-16

Description

The Server.verify_request function in SimpleGeo python-oauth2 does not check the nonce, which allows remote attackers to perform replay attacks via a signed URL.

Frequently asked questions

What is CVE-2013-4346?: The Server.verify_request function in SimpleGeo python-oauth2 does not check the nonce, which allows remote attackers to perform replay attacks via a signed URL.
How severe is CVE-2013-4346?: CVE-2013-4346 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4346?: CVE-2013-4346 affects Urbanairship Python-oauth2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4346 published?: CVE-2013-4346 was published on 2014-05-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:urbanairship:python-oauth2:-:*:*:*:*:*:*:*

More vulnerabilities in Urbanairship Python-oauth2

CVE-2013-4347 — Medium (CVSS 5.8): The (1) make_nonce, (2) generate_nonce, and (3) generate_verifier functions in SimpleGeo python-oauth2 uses weak random…

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