CVE-2017-6553
CVE-2017-6553 is a critical-severity vulnerability in Quest Privilege Manager For Unix with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 42% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 42% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Quest Privilege Manager For Unix
- Published:
- Last modified:
Description
Buffer Overflow in Quest One Identity Privilege Manager for Unix before 6.0.0.061 allows remote attackers to obtain full access to the policy server via an ACT_ALERT_EVENT request that causes memory corruption in the pmmasterd daemon.
Frequently asked questions
- What is CVE-2017-6553?
- Buffer Overflow in Quest One Identity Privilege Manager for Unix before 6.0.0.061 allows remote attackers to obtain full access to the policy server via an ACT_ALERT_EVENT request that causes memory corruption in the pmmasterd daemon.
- How severe is CVE-2017-6553?
- CVE-2017-6553 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-6553 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 42% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-6553?
- CVE-2017-6553 affects Quest Privilege Manager For Unix. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-6553?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2017-6553 published?
- CVE-2017-6553 was published on 2017-04-29 and last updated on 2026-06-17.
References
- https://0xdeadface.wordpress.com/2017/04/07/multiple-vulnerabilities-in-quest-privilege-manager-6-0-0-xx-cve-2017-6553-cve-2017-6554/
- https://support.oneidentity.com/privilege-manager-for-unix/kb/SOL133824
- https://www.exploit-db.com/exploits/42010/
Affected products (1)
- cpe:2.3:a:quest:privilege_manager_for_unix:*:*:*:*:*:*:*:*
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