CVE-2017-12373: cisco adaptive_security_appliance_5505_firmware
Vulnerability summary
CVE-2017-12373 is a medium (CVSS 5.9) vulnerability in cisco adaptive_security_appliance_5505_firmware. EPSS estimates a 12.80% chance of exploitation in the next 30 days, higher than 96.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the TLS protocol implementation of legacy Cisco ASA 5500 Series (ASA 5505, 5510, 5520, 5540, and 5550) devices could allow an unauthenticated, remote attacker to access sensitive information, aka a Return of Bleichenbacher's Oracle Threat (ROBOT) attack. An attacker could iteratively query a server running a vulnerable TLS stack implementation to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions. Cisco Bug IDs: CSCvg97652.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
12.80%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 12.80% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundScanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5
auxiliary/scanner/ssl/bleichenbacher_oracle
Maturity: poc
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-203Observable DiscrepancyThe product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
Affected systems
1 vendor · 5 products
References
2 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171212-bleichenbacherX Refsource CONFIRMIssue TrackingMitigationVendor Advisory