DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 has an arbitrary file write…
Priority LOW 37CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 has an arbitrary file write vulnerability. The AppendToTextFile method doesn't check if it's being called from the application or from a malicious user. The vulnerability is triggered when a remote attacker crafts an HTML page (e.g., with "OBJECT classid=" and "<SCRIPT language='vbscript'>") to overwrite arbitrary files.
Why it matters now
EPSS 0.008 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27197
- 2026-10-03 Alias added: GHSA-gc59-gfp7-vrrr
References
More Pelco Digital Sentry Server vulnerabilities
- TI-2021-08773 The RTSPLive555.dll ActiveX control in Pelco Digital Sentry Server 7.18.72.11464 has a… CVSS 3.1HIGH 8.8
- TI-2021-08731 Pelco Digital Sentry Server 7.18.72.11464 has an XML External Entity vulnerability… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-27197 · CVE Program
- CVE-2021-27197 · NVD
- FIRST EPSS
- GHSA-gc59-gfp7-vrrr · GitHub Advisory Database · CC BY 4.0
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