CVE-2021-27184
CVE-2021-27184 is a high-severity vulnerability in Pelco Digital Sentry Server with a CVSS 3.x base score of 7.5. 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-611.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-611
- Affected product: Pelco Digital Sentry Server
- Published:
- Last modified:
Description
Pelco Digital Sentry Server 7.18.72.11464 has an XML External Entity vulnerability (exploitable via the DTD parameter entities technique), resulting in disclosure and retrieval of arbitrary data on the affected node via an out-of-band (OOB) attack. The vulnerability is triggered when input passed to the XML parser is not sanitized while parsing the ControlPointCacheShare.xml file (in a %APPDATA%\Pelco directory) when DSControlPoint.exe is executed.
Frequently asked questions
- What is CVE-2021-27184?
- Pelco Digital Sentry Server 7.18.72.11464 has an XML External Entity vulnerability (exploitable via the DTD parameter entities technique), resulting in disclosure and retrieval of arbitrary data on the affected node via an out-of-band (OOB) attack. The vulnerability is triggered when input passed to the XML parser is not sanitized while parsing the ControlPointCacheShare.xml file (in a %APPDATA%\Pelco directory) when DSControlPoint.exe is executed.
- How severe is CVE-2021-27184?
- CVE-2021-27184 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-27184 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-2021-27184?
- CVE-2021-27184 affects Pelco Digital Sentry Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27184?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-27184 published?
- CVE-2021-27184 was published on 2021-02-11 and last updated on 2026-06-17.
References
- https://github.com/vitorespf/Advisories/blob/master/Pelco_Digital_Sentry_Server.txt
- https://support.pelco.com/s/article/What-is-the-Digital-Sentry-software-release-revision-history
Affected products (1)
- cpe:2.3:a:pelco:digital_sentry_server:7.18.72.11464:*:*:*:*:*:*:*
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