How severe is CVE-2013-5533?

CVE-2013-5533 has a CVSS 2.0 base score of 6.0, rated medium severity.

Is CVE-2013-5533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5533?

CVE-2013-5533 primarily affects Cisco Unified Ip Phones 9900 Series Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5533?

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

When was CVE-2013-5533 published?

CVE-2013-5533 was published on 2013-10-11 and last updated on 2026-06-16.

CVE-2013-5533

CVE-2013-5533 is a medium-severity vulnerability in Cisco Unified Ip Phones 9900 Series Firmware with a CVSS 2.0 base score of 6.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.0)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Unified Ip Phones 9900 Series Firmware
Published: 2013-10-11
Last modified: 2026-06-16

Description

The image-upgrade functionality on Cisco 9900 Unified IP phones allows local users to gain privileges by placing shell commands in an unspecified parameter, aka Bug ID CSCuh10334.

Frequently asked questions

What is CVE-2013-5533?: The image-upgrade functionality on Cisco 9900 Unified IP phones allows local users to gain privileges by placing shell commands in an unspecified parameter, aka Bug ID CSCuh10334.
How severe is CVE-2013-5533?: CVE-2013-5533 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2013-5533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5533?: CVE-2013-5533 primarily affects Cisco Unified Ip Phones 9900 Series Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5533 published?: CVE-2013-5533 was published on 2013-10-11 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:cisco:unified_ip_phones_9900_series_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_9951:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_9971:*:*:*:*:*:*:*:*

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