CVE-2018-5299: pulsesecure pulse_connect_secure Out-of-bounds Write
CVSS: 9.8v3.0CriticalModified
Published 16-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-5299 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in pulsesecure pulse_connect_secure. EPSS estimates a 3.06% chance of exploitation in the next 30 days, higher than 87.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
3.06%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A stack-based Buffer Overflow Vulnerability exists in the web server in Pulse Secure Pulse Connect Secure (PCS) before 8.3R4 and Pulse Policy Secure (PPS) before 5.4R4, leading to memory corruption and possibly remote code execution.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.06%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.06% on 19-09-2026
19-09-202619-10-2026
EPSS score3.06%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Pulsesecure2 products
- pulse_connect_secure≥ 8.3r1, ≤ 8.3r3
- pulse_policy_secure≥ 5.4r1, ≤ 5.4r3
1 vendor · 2 products
References
1 links- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43604X Refsource CONFIRMPatchVendor Advisory