CVE-2017-6553Privilege Manager For Unix Memory Corruption
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.
Published Apr 29, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-6553 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Privilege Manager For Unix (Quest).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 42% probability of exploitation in the next 30 days.
- Fixed versions are available, including Privilege Manager For Unix 6.0.0-50.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
42%
Higher than 98.6% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
57/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Privilege Manager For UnixQuest | See advisory | 6.0.0-50 |
Patched Releases
Privilege Manager For Unix
6.0.0-50
Timeline
Publicly disclosed
Apr 29, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory0xdeadface.wordpress.com · CVE-2017-6553
- patchsupport.oneidentity.com · SOL133824
- exploitMSF quest_pmmasterd_bof.rb
- exploitExploitDB-42010
- other42010
FAQ
Common Questions.
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.
Affected: Privilege Manager For Unix (Quest). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Privilege Manager For Unix 6.0.0-50.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-6553 On Your Attack Surface?
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