CVE-2016-1383

high

Published 2016-05-25 · Modified 2026-05-06

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CVSS v3

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

Memory leak in Cisco AsyncOS through 8.8 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via an unspecified HTTP status code, aka Bug ID CSCur28305.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions
cisco	web_security_appliance_\(wsa\)	`5.6.0-623`
cisco	web_security_appliance_\(wsa\)	`6.0.0-000`
cisco	web_security_appliance_\(wsa\)	`7.1.0`
cisco	web_security_appliance_\(wsa\)	`7.1.1`
cisco	web_security_appliance_\(wsa\)	`7.1.2`
cisco	web_security_appliance_\(wsa\)	`7.1.3`
cisco	web_security_appliance_\(wsa\)	`7.1.4`
cisco	web_security_appliance_\(wsa\)	`7.5.0-000`
cisco	web_security_appliance_\(wsa\)	`7.5.0-825`
cisco	web_security_appliance_\(wsa\)	`7.5.1-000`
cisco	web_security_appliance_\(wsa\)	`7.5.2-000`
cisco	web_security_appliance_\(wsa\)	`7.7.0-000`
cisco	web_security_appliance_\(wsa\)	`7.7.1-000`
cisco	web_security_appliance_\(wsa\)	`8.0.0-000`
cisco	web_security_appliance_\(wsa\)	`8.0.5`
cisco	web_security_appliance_\(wsa\)	`8.0.6`
cisco	web_security_appliance_\(wsa\)	`8.0.6-078`
cisco	web_security_appliance_\(wsa\)	`8.0.6-119`
cisco	web_security_appliance_\(wsa\)	`8.0.7`
cisco	web_security_appliance_\(wsa\)	`8.0.7-142`
cisco	web_security_appliance_\(wsa\)	`8.0.8-mr-113`
cisco	web_security_appliance_\(wsa\)	`8.5.0-497`
cisco	web_security_appliance_\(wsa\)	`8.5.0.000`
cisco	web_security_appliance_\(wsa\)	`8.5.1-021`
cisco	web_security_appliance_\(wsa\)	`8.5.2-024`
cisco	web_security_appliance_\(wsa\)	`8.5.2-027`
cisco	web_security_appliance_\(wsa\)	`8.5.3-055`

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.