CVE-2020-13162 (GCVE-0-2020-13162)
Vulnerability from cvelistv5 – Published: 2020-06-16 19:41 – Updated: 2025-05-05 17:08
VLAI
EPSS
VEX
Summary
A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs as NT AUTHORITY/SYSTEM) allows unprivileged users to run a Microsoft Installer executable with elevated privileges.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:29 UTC
CWE
- n/a
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://kb.pulsesecure.net/?atype=sa | x_refsource_MISC |
| https://twitter.com/sepcali/status/1262551597990711296 | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2020/Jun/25 | mailing-listx_refsource_FULLDISC |
| https://www.redtimmy.com/privilege-escalation/pul… | x_refsource_MISC |
| http://packetstormsecurity.com/files/158117/Pulse… | x_refsource_MISC |
| https://kb.pulsesecure.net/articles/Pulse_Securit… | x_refsource_CONFIRM |
| https://twitter.com/gsepcali/status/1262551597990711296 | x_refsource_MISC |
| https://twitter.com/gsepcali/status/1272927080909623297 | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2020/Sep/15 | mailing-listx_refsource_FULLDISC |
| http://packetstormsecurity.com/files/159065/Pulse… | x_refsource_MISC |
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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