CVE-2016-6591
CVE-2016-6591 is a high-severity vulnerability in Symantec Norton App Lock with a CVSS 3.x base score of 7.1. 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-863.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 3.3
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Symantec Norton App Lock
- Published:
- Last modified:
Description
A security bypass vulnerability exists in Symantec Norton App Lock 1.0.3.186 and earlier if application pinning is enabled, which could let a local malicious user bypass security restrictions.
Frequently asked questions
- What is CVE-2016-6591?
- A security bypass vulnerability exists in Symantec Norton App Lock 1.0.3.186 and earlier if application pinning is enabled, which could let a local malicious user bypass security restrictions.
- How severe is CVE-2016-6591?
- CVE-2016-6591 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over physical access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2016-6591 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-6591?
- CVE-2016-6591 affects Symantec Norton App Lock. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-6591?
- 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-2016-6591 published?
- CVE-2016-6591 was published on 2020-01-08 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:symantec:norton_app_lock:*:*:*:*:*:*:*:*
More vulnerabilities in Symantec Norton App Lock
- CVE-2017-15534 — Medium (CVSS 6.7): The Norton App Lock prior to version 1.3.0.13 can be susceptible to an authentication bypass exploit. In this type of…
- CVE-2018-18363 — Medium (CVSS 6.2): Norton App Lock prior to 1.4.0.445 can be susceptible to a bypass exploit. In this type of circumstance, the exploit…
- CVE-2018-5239 — Medium (CVSS 6.2): Norton App Lock prior to v1.3.0.332 can be susceptible to a bypass exploit. In this type of circumstance, the exploit…
- CVE-2018-5242 — Medium (CVSS 6.2): Norton App Lock prior to version 1.3.0.329 can be susceptible to a bypass exploit. In this type of circumstance, the…
- CVE-2019-18373 — Medium (CVSS 5.6): Norton App Lock, prior to 1.4.0.503, may be susceptible to a bypass exploit. In this type of circumstance, the exploit…
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